{"id":43930,"date":"2024-07-23T15:30:36","date_gmt":"2024-07-23T11:00:36","guid":{"rendered":"https:\/\/wpadmin.maktabkhooneh.org\/mag\/?p=43930"},"modified":"2026-05-09T12:28:44","modified_gmt":"2026-05-09T08:58:44","slug":"collection-in-java","status":"publish","type":"post","link":"https:\/\/maktabkhooneh.org\/mag\/collection-in-java\/","title":{"rendered":"\u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection \u062f\u0631 \u062c\u0627\u0648\u0627: \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u062c\u0627\u0645\u0639"},"content":{"rendered":"\n<p>\u062c\u0627\u0648\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u062d\u0628\u0648\u0628\u200c\u062a\u0631\u06cc\u0646 \u0632\u0628\u0627\u0646\u200c\u0647\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc\u060c \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u06cc \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u062f\u0631 \u0627\u062e\u062a\u06cc\u0627\u0631 \u062a\u0648\u0633\u0639\u0647\u200c\u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u062f\u0647\u062f. \u06cc\u06a9\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u060c \u0641\u0631\u06cc\u0645\u0648\u0631\u06a9 Collection \u0627\u0633\u062a \u06a9\u0647 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627 \u0648 \u0631\u0627\u0628\u0637\u200c\u0647\u0627 \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647\u060c \u062f\u0633\u062a\u06a9\u0627\u0631\u06cc \u0648 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u062c\u0645\u0648\u0639\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0628\u0647 \u0628\u0631\u0631\u0633\u06cc \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection \u062f\u0631 \u062c\u0627\u0648\u0627\u060c \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u060c \u0645\u0632\u0627\u06cc\u0627\u060c \u0645\u0639\u0627\u06cc\u0628 \u0648 \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc \u0622\u0646 \u062e\u0648\u0627\u0647\u06cc\u0645 \u067e\u0631\u062f\u0627\u062e\u062a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection \u062f\u0631 \u062c\u0627\u0648\u0627 \u0686\u06cc\u0633\u062a\u061f<\/h2>\n\n\n\n<p><strong>\u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection\u062f\u0631 \u062c\u0627\u0648\u0627<\/strong> \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627 \u0648 \u0631\u0627\u0628\u0637\u200c\u0647\u0627 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647\u060c \u062f\u0633\u062a\u06a9\u0627\u0631\u06cc \u0648 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06af\u0631\u0648\u0647\u06cc \u0627\u0632 \u0627\u0634\u06cc\u0627\u0621 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u0641\u0631\u06cc\u0645\u0648\u0631\u06a9 \u0628\u0647 \u062a\u0648\u0633\u0639\u0647\u200c\u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u062a\u0627 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u0648 \u06a9\u0627\u0631\u0622\u0645\u062f\u06cc \u0628\u0627 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u06a9\u0627\u0631 \u06a9\u0646\u0646\u062f. \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u0632\u0628\u0627\u0646 \u0647\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u0645\u062e\u062a\u0644\u0641 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647\u0627\u06cc \u0645\u062a\u0641\u0627\u0648\u062a\u06cc \u062f\u0627\u0631\u0646\u062f\u060c \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u06a9\u0627\u0645\u0644 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 collection \u062c\u0627\u0648\u0627 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u0634\u0648\u062f\u060c \u0627\u0645\u0627 \u0627\u06af\u0631 \u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644 \u0628\u0647 \u0632\u0628\u0627\u0646 \u067e\u0627\u06cc\u062a\u0648\u0646 \u0639\u0644\u0627\u0642\u0645\u0646\u062f \u0628\u0627\u0634\u06cc\u062f \u062f\u0648\u0631\u0647 <a href=\"https:\/\/maktabkhooneh.org\/course\/%D8%A2%D9%85%D9%88%D8%B2%D8%B4-%D8%AF%D9%86%DB%8C%D8%A7%DB%8C-%D8%B3%D8%A7%D8%AE%D8%AA%D9%85%D8%A7%D9%86-%D8%AF%D8%A7%D8%AF%D9%87-%D9%BE%D8%A7%DB%8C%D8%AA%D9%88%D9%86-mk9438\/\" data-type=\"link\" data-id=\"https:\/\/maktabkhooneh.org\/course\/%D8%A2%D9%85%D9%88%D8%B2%D8%B4-%D8%AF%D9%86%DB%8C%D8%A7%DB%8C-%D8%B3%D8%A7%D8%AE%D8%AA%D9%85%D8%A7%D9%86-%D8%AF%D8%A7%D8%AF%D9%87-%D9%BE%D8%A7%DB%8C%D8%AA%D9%88%D9%86-mk9438\/\">\u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 \u0628\u0627 \u067e\u0627\u06cc\u062a\u0648\u0646<\/a> \u0628\u0631\u0627\u06cc \u0634\u0645\u0627 \u062c\u0630\u0627\u0628 \u062a\u0631 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f.<\/p>\n\n\n<div class=\"jet-listing-grid--56206\" style=\"\"><div class=\"jet-listing-dynamic-field-block zht-maktab-khooneh-learn cb-ud1ng69u\"data-is-block=\"jet-engine\/dynamic-field\"><div class=\"jet-listing-dynamic-field__content\" >\r\n<div class=\"zht-learn-card\">\r\n    <div class=\"zht-learn-title-section\">\r\n        <div class=\"zht-learn-card-icon\">\r\n            <svg viewBox=\"0 0 24 24\" fill=\"currentColor\" width=\"24\" height=\"24\">\r\n                <path d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z\" \/>\r\n            <\/svg>\r\n        <\/div>\r\n        \r\n        <!-- \u0639\u0646\u0648\u0627\u0646 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0647 \u0628\u0647 \u0644\u06cc\u0646\u06a9 -->\r\n        <a href=\"https:\/\/maktabkhooneh.org\/learn\/java\/\" class=\"zht-learn-card-title\" target=\"_blank\" rel=\"noopener noreferrer\">\r\n            \u062f\u0648\u0631\u0647\u200c\u0647\u0627\u06cc \u0622\u0645\u0648\u0632\u0634 \u062c\u0627\u0648\u0627        <\/a>\r\n    <\/div>\r\n\r\n    <!-- \u062f\u06a9\u0645\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0647 \u0628\u0647 \u062a\u06af button -->\r\n    <!-- \u0627\u0632 onclick \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u062f\u0647 \u062a\u0627 \u0628\u0647 \u0645\u062d\u0636 \u06a9\u0644\u06cc\u06a9 \u0644\u06cc\u0646\u06a9 \u0631\u0627 \u0628\u0627\u0632 \u06a9\u0646\u062f -->\r\n    <button class=\"zht-learn-card-btn\" data-course-url=\"https:\/\/maktabkhooneh.org\/learn\/java\/\" onclick=\"window.open(this.getAttribute('data-course-url'), '_blank');\">\r\n        \u0634\u0631\u0648\u0639 \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc\r\n    <\/button>\r\n<\/div><\/div><\/div><\/div>\n\n\n<p>\u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection \u062f\u0631 \u062c\u0627\u0648\u0627 \u0628\u0647 \u0633\u0647 \u062f\u0633\u062a\u0647 \u0627\u0635\u0644\u06cc \u062a\u0642\u0633\u06cc\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u06f1. \u0631\u0627\u0628\u0637 List<\/h3>\n\n\n\n<p>\u0631\u0627\u0628\u0637 List \u0628\u0631\u0627\u06cc \u0646\u0645\u0627\u06cc\u0634 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u0639\u0646\u0627\u0635\u0631 \u0645\u0631\u062a\u0628 \u0634\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0647\u0631 \u0639\u0646\u0635\u0631 \u062f\u0631 \u0644\u06cc\u0633\u062a \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u0627\u0646\u062f\u06cc\u0633 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ArrayList<\/strong><strong>:<\/strong> \u0644\u06cc\u0633\u062a\u06cc \u0642\u0627\u0628\u0644 \u062a\u063a\u06cc\u06cc\u0631 \u0627\u0633\u062a \u06a9\u0647 \u0627\u0632 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0639\u0646\u0627\u0635\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/li>\n\n\n\n<li><strong>LinkedList<\/strong><strong>:<\/strong> \u0644\u06cc\u0633\u062a\u06cc \u0642\u0627\u0628\u0644 \u062a\u063a\u06cc\u06cc\u0631 \u0627\u0633\u062a \u06a9\u0647 \u0627\u0632 \u0644\u06cc\u0646\u06a9\u200c\u0647\u0627 \u0628\u0631\u0627\u06cc \u0627\u062a\u0635\u0627\u0644 \u0639\u0646\u0627\u0635\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/li>\n\n\n\n<li><strong>Vector<\/strong><strong>:<\/strong> \u0644\u06cc\u0633\u062a\u06cc \u0642\u062f\u06cc\u0645\u06cc\u200c\u062a\u0631 \u0648 \u0647\u0645\u06af\u0627\u0645\u200c\u0633\u0627\u0632\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0646\u062f\u0631\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u0645\u062b\u0627\u0644 \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0627\u0632 \u0631\u0627\u0628\u0637 List \u062f\u0631 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection \u062f\u0631 Java<\/h4>\n\n\n\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u0627\u0646 \u062f\u0631 \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u062f\u0631\u0633 \u0631\u0627 \u0628\u0647 \u0647\u0645\u0631\u0627\u0647 \u0646\u0627\u0645\u060c \u0633\u0646 \u0648 \u0646\u0645\u0631\u0647 \u0622\u0646\u200c\u0647\u0627 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u06cc\u062f. \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0631\u0627\u0628\u0637 List \u062f\u0631 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection \u062c\u0627\u0648\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f1: \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0644\u0627\u0633 <\/strong><strong>Student<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">public class Student {\n\n&nbsp;&nbsp;&nbsp; private String name;\n\n&nbsp;&nbsp;&nbsp; private int age;\n\n&nbsp;&nbsp;&nbsp; private double score;\n\n\n\n\n&nbsp;&nbsp;&nbsp; public Student(String name, int age, double score) {\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; this.name = name;\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; this.age = age;\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; this.score = score;\n\n&nbsp;&nbsp;&nbsp; }\n\n\n\n\n&nbsp;&nbsp;&nbsp; \/\/ Getters and setters omitted for brevity\n\n}\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u06a9\u0644\u0627\u0633 Student \u0628\u0627 \u0633\u0647 \u0641\u06cc\u0644\u062f \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0627\u0633\u062a: name\u060c age \u0648 score. \u0627\u06cc\u0646 \u0641\u06cc\u0644\u062f\u0647\u0627 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0646\u0627\u0645 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u060c \u0633\u0646 \u0648 \u0646\u0645\u0631\u0647 \u0627\u0648 \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f2: \u0627\u06cc\u062c\u0627\u062f \u0644\u06cc\u0633\u062a \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u0627\u0646<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">List students = new ArrayList&lt;&gt;();\n\nstudents.add(new Student(\"\u0639\u0644\u06cc\", \u06f1\u06f5, \u06f1\u06f8.\u06f5));\n\nstudents.add(new Student(\"\u0645\u062d\u0645\u062f\", \u06f1\u06f6, \u06f1\u06f9.\u06f2));\n\nstudents.add(new Student(\"\u062d\u0633\u0646\", \u06f1\u06f7, \u06f1\u06f7.\u06f8));\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u06cc\u06a9 ArrayList \u0628\u0627 \u0646\u0627\u0645 students \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u0634\u0648\u062f. \u0633\u067e\u0633 \u0633\u0647 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u062c\u062f\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0633\u0627\u0632\u0646\u062f\u0647 \u06a9\u0644\u0627\u0633 Student \u0628\u0647 \u0644\u06cc\u0633\u062a \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f3: \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0644\u06cc\u0633\u062a \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u0627\u0646<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">for (Student student : students) {\n\nSystem.out.println(\"\u0646\u0627\u0645: \" + student.getName());\n\nSystem.out.println(\"\u0633\u0646: \" + student.getAge());\n\nSystem.out.println(\"\u0646\u0645\u0631\u0647: \" + student.getScore());\n\nSystem.out.println(\"------------------------\");\n\n}\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u06cc\u06a9 \u062d\u0644\u0642\u0647 for each \u0628\u0631\u0627\u06cc \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0644\u06cc\u0633\u062a \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062f\u0627\u062e\u0644 \u062d\u0644\u0642\u0647\u060c \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0647\u0631 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0686\u0627\u067e \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f4: \u062c\u0633\u062a\u062c\u0648 \u062f\u0631 \u0644\u06cc\u0633\u062a \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u0627\u0646<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String studentName = \"\u062d\u0633\u0646\";\n\n\n\n\nfor (Student student : students) {\n\nif (student.getName().equals(studentName)) {\n\nSystem.out.println(\"\u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u06cc\u0627\u0641\u062a \u0634\u062f:\");\n\nSystem.out.println(\"\u0646\u0627\u0645: \" + student.getName());\n\nSystem.out.println(\"\u0633\u0646: \" + student.getAge());\n\nSystem.out.println(\"\u0646\u0645\u0631\u0647: \" + student.getScore());\n\nbreak;\n\n}\n\n}\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u0646\u0627\u0645 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u0645 \u062f\u0631 \u0645\u062a\u063a\u06cc\u0631 studentName \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0633\u067e\u0633 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u062d\u0644\u0642\u0647 for each\u060c \u0644\u06cc\u0633\u062a \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u0627\u0646 \u0631\u0627 \u062c\u0633\u062a\u062c\u0648 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645. \u0627\u06af\u0631 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u067e\u06cc\u062f\u0627 \u0634\u062f\u060c \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0622\u0646 \u0686\u0627\u067e \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f5: \u062d\u0630\u0641 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0627\u0632 \u0644\u06cc\u0633\u062a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String studentName = \"\u0645\u062d\u0645\u062f\";\n\n\n\n\nfor (int i = 0; i &lt; students.size(); i++) {\n\nStudent student = students.get(i);\n\nif (student.getName().equals(studentName)) {\n\nstudents.remove(i);\n\nSystem.out.println(\"\u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \" + studentName + \" \u0627\u0632 \u0644\u06cc\u0633\u062a \u062d\u0630\u0641 \u0634\u062f.\");\n\nbreak;\n\n}\n\n}\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u0646\u0627\u0645 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u062d\u0630\u0641 \u06a9\u0646\u06cc\u0645 \u062f\u0631 \u0645\u062a\u063a\u06cc\u0631 studentName \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0633\u067e\u0633 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u062d\u0644\u0642\u0647 for\u060c \u0644\u06cc\u0633\u062a \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u0627\u0646 \u0631\u0627 \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645. \u0627\u06af\u0631 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u067e\u06cc\u062f\u0627 \u0634\u062f\u060c \u0627\u0632 \u0644\u06cc\u0633\u062a \u062d\u0630\u0641 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<p><strong>\u0634\u0631\u062d \u06a9\u0627\u0645\u0644 \u06a9\u062f<\/strong><strong>:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u0632 \u06a9\u0644\u0627\u0633 Student \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0647\u0631 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0634\u0627\u0645\u0644 \u0633\u0647 \u0641\u06cc\u0644\u062f name\u060c age \u0648 score \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0646\u0627\u0645\u060c \u0633\u0646 \u0648 \u0646\u0645\u0631\u0647 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/li>\n\n\n\n<li>\u0627\u0632 ArrayList \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. ArrayList \u06cc\u06a9 \u06a9\u0644\u0627\u0633 Collection \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u0628\u0647 \u0644\u06cc\u0633\u062a \u0627\u0636\u0627\u0641\u0647\u060c \u062d\u0630\u0641 \u0648 \u062c\u0633\u062a\u062c\u0648 \u06a9\u0646\u06cc\u062f.<\/li>\n\n\n\n<li>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0633\u0647 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0628\u0647 \u0644\u06cc\u0633\u062a \u0627\u0636\u0627\u0641\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/li>\n\n\n\n<li>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u062d\u0644\u0642\u0647 for each\u060c \u0644\u06cc\u0633\u062a \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u0627\u0646 \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0648 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0647\u0631 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0686\u0627\u067e \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n\n\n\n<li>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u06cc \u0628\u0627 \u0646\u0627\u0645 &#8220;\u062d\u0633\u0646&#8221; \u062f\u0631 \u0644\u06cc\u0633\u062a \u062c\u0633\u062a\u062c\u0648 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06af\u0631 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u067e\u06cc\u062f\u0627 \u0634\u062f\u060c \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0622\u0646 \u0686\u0627\u067e \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n\n\n\n<li>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u06cc \u0628\u0627 \u0646\u0627\u0645 &#8220;\u0645\u062d\u0645\u062f&#8221; \u0627\u0632 \u0644\u06cc\u0633\u062a \u062d\u0630\u0641 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u06f2. \u0631\u0627\u0628\u0637 Set<\/h3>\n\n\n\n<p>\u0631\u0627\u0628\u0637 Set \u0628\u0631\u0627\u06cc \u0646\u0645\u0627\u06cc\u0634 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u0639\u0646\u0627\u0635\u0631 \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062a\u0631\u062a\u06cc\u0628 \u0639\u0646\u0627\u0635\u0631 \u062f\u0631 \u0633\u062a \u0645\u0634\u062e\u0635 \u0646\u06cc\u0633\u062a.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>HashSet<\/strong><strong>:<\/strong> \u0633\u062a\u06cc \u06a9\u0647 \u0627\u0632 \u062c\u062f\u0648\u0644 \u0647\u0634 \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0639\u0646\u0627\u0635\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/li>\n\n\n\n<li><strong>TreeSet<\/strong><strong>:<\/strong> \u0633\u062a\u06cc \u06a9\u0647 \u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u062a\u0631\u062a\u06cc\u0628 \u0637\u0628\u06cc\u0639\u06cc \u06cc\u0627 \u0645\u0642\u0627\u06cc\u0633\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0645\u0631\u062a\u0628 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/li>\n\n\n\n<li><strong>LinkedHashSet<\/strong><strong>:<\/strong> \u0633\u062a\u06cc \u06a9\u0647 \u062a\u0631\u062a\u06cc\u0628 \u062f\u0631\u062c \u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u062d\u0641\u0638 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"690\" src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/07\/b97c58e0-1b9c-4fb9-b162-c5df93010d17.jpg\" alt=\"\u0645\u062b\u0627\u0644 \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0627\u0632 \u0631\u0627\u0628\u0637 Set \u062f\u0631 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection\" class=\"wp-image-43932\" title=\"\" srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/07\/b97c58e0-1b9c-4fb9-b162-c5df93010d17.jpg 1024w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/07\/b97c58e0-1b9c-4fb9-b162-c5df93010d17-300x202.jpg.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/07\/b97c58e0-1b9c-4fb9-b162-c5df93010d17-768x518.jpg.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u0645\u062b\u0627\u0644 \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0627\u0632 \u0631\u0627\u0628\u0637 Set \u062f\u0631 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection<\/h4>\n\n\n\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0645\u06cc\u0648\u0647\u200c\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0647\u0645\u0631\u0627\u0647 \u0646\u0627\u0645 \u0648 \u0631\u0646\u06af \u0622\u0646\u200c\u0647\u0627 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u06cc\u062f. \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0631\u0627\u0628\u0637 Set \u062f\u0631 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection \u062c\u0627\u0648\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n<div class=\"jet-listing-grid--50121\" style=\"\"><div class=\"jet-listing-dynamic-field-block zht-maktab-khooneh-course cb-fb2qc30r\"data-is-block=\"jet-engine\/dynamic-field\"><div class=\"jet-listing-dynamic-field__content\" >\n<div class=\"course-card\">\n    <div class=\"course-card-img\">\n        <img decoding=\"async\" \n            data-src=\"https:\/\/media1.maktabkhooneh.org\/CACHE\/images\/courses\/images\/6662\/eb9adfa0c2e2229ac0d42e5c636700d3.webp?expire=4893471932&#038;token=8aa3fe7b9c18a982646910112be0369f&#038;md5=iqP-e5wYqYJkaRARK-A2nw==\" \n            alt=\"\u0622\u0645\u0648\u0632\u0634 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u062c\u0627\u0648\u0627: \u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631\" \n            title=\"\u0622\u0645\u0648\u0632\u0634 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u062c\u0627\u0648\u0627: \u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631\" \n            width=\"100%\" \n            height=\"auto\"\n           \n         src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\">\n    <\/div>\n\n    <div class=\"course-details\">\n        <a href=\"https:\/\/maktabkhooneh.org\/course\/%D8%A2%D9%85%D9%88%D8%B2%D8%B4-%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87-%D9%86%D9%88%DB%8C%D8%B3%DB%8C-%D8%AC%D8%A7%D9%88%D8%A7-%D8%A7%D8%B5%D9%88%D9%84-%D8%B7%D8%B1%D8%A7%D8%AD%DB%8C-%D9%86%D8%B1%D9%85-%D8%A7%D9%81%D8%B2%D8%A7%D8%B1-mk6662\/\" class=\"course-title\" target=\"_blank\" rel=\"noopener noreferrer\">\n            \u0622\u0645\u0648\u0632\u0634 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u062c\u0627\u0648\u0627: \u0627\u0635\u0648\u0644 \u0637\u0631\u0627\u062d\u06cc \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631        <\/a>\n\n        <div class=\"course-price\">\n            \n                <span class=\"real-price\">\n                                            \u06f1\u06f9\u06f9,\u06f0\u06f0\u06f0                                    <\/span>\n\n                <span>\n                    <span class=\"discounted-price\">\n                        \u06f9\u06f9,\u06f0\u06f0\u06f0                    <\/span>\n                    <span class=\"price-currency\">\u062a\u0648\u0645\u0627\u0646<\/span>\n                <\/span>\n\n                                    <div class=\"discount-percentage\">\n                        \u06f5\u06f0%                    <\/div>\n                \n                    <\/div>\n        <button class=\"course-cta-button\" data-course-url=\"https:\/\/maktabkhooneh.org\/course\/%D8%A2%D9%85%D9%88%D8%B2%D8%B4-%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87-%D9%86%D9%88%DB%8C%D8%B3%DB%8C-%D8%AC%D8%A7%D9%88%D8%A7-%D8%A7%D8%B5%D9%88%D9%84-%D8%B7%D8%B1%D8%A7%D8%AD%DB%8C-%D9%86%D8%B1%D9%85-%D8%A7%D9%81%D8%B2%D8%A7%D8%B1-mk6662\/\">\n            \u0645\u0634\u0627\u0647\u062f\u0647 \u0648 \u062e\u0631\u06cc\u062f        <\/button>\n    <\/div>\n<\/div>\n<\/div><\/div><\/div>\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f1: \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0644\u0627\u0633 <\/strong><strong>Fruit<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">public class Fruit {\n\nprivate String name;\n\nprivate String color;\n\n\n\n\npublic Fruit(String name, String color) {\n\nthis.name = name;\n\nthis.color = color;\n\n}\n\n\n\n\n\/\/ Getters and setters omitted for brevity\n\n}\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u06a9\u0644\u0627\u0633 Fruit \u0628\u0627 \u062f\u0648 \u0641\u06cc\u0644\u062f \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0627\u0633\u062a: name \u0648 color. \u0627\u06cc\u0646 \u0641\u06cc\u0644\u062f\u0647\u0627 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0646\u0627\u0645 \u0645\u06cc\u0648\u0647 \u0648 \u0631\u0646\u06af \u0622\u0646 \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f2: \u0627\u06cc\u062c\u0627\u062f \u0645\u062c\u0645\u0648\u0639\u0647 \u0645\u06cc\u0648\u0647\u200c\u0647\u0627<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Set fruits = new HashSet&lt;&gt;();\n\nfruits.add(new Fruit(\"\u0633\u06cc\u0628\", \"\u0642\u0631\u0645\u0632\"));\n\nfruits.add(new Fruit(\"\u0645\u0648\u0632\", \"\u0632\u0631\u062f\"));\n\nfruits.add(new Fruit(\"\u067e\u0631\u062a\u0642\u0627\u0644\", \"\u0646\u0627\u0631\u0646\u062c\u06cc\"));\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u06cc\u06a9 HashSet \u0628\u0627 \u0646\u0627\u0645 fruits \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u0634\u0648\u062f. \u0633\u067e\u0633 \u0633\u0647 \u0645\u06cc\u0648\u0647 \u062c\u062f\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0633\u0627\u0632\u0646\u062f\u0647 \u06a9\u0644\u0627\u0633 Fruit \u0628\u0647 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f3: \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0645\u062c\u0645\u0648\u0639\u0647 \u0645\u06cc\u0648\u0647\u200c\u0647\u0627<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">for (Fruit fruit : fruits) {\n\nSystem.out.println(\"\u0646\u0627\u0645: \" + fruit.getName());\n\nSystem.out.println(\"\u0631\u0646\u06af: \" + fruit.getColor());\n\n}\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u06cc\u06a9 \u062d\u0644\u0642\u0647 for each \u0628\u0631\u0627\u06cc \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0645\u062c\u0645\u0648\u0639\u0647 \u0645\u06cc\u0648\u0647\u200c\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062f\u0627\u062e\u0644 \u062d\u0644\u0642\u0647\u060c \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0647\u0631 \u0645\u06cc\u0648\u0647 \u0686\u0627\u067e \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f4: \u0628\u0631\u0631\u0633\u06cc \u0648\u062c\u0648\u062f \u0645\u06cc\u0648\u0647 \u062f\u0631 \u0645\u062c\u0645\u0648\u0639\u0647<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String fruitName = \"\u06af\u0631\u06cc\u067e \u0641\u0631\u0648\u062a\";\n\n\n\n\nif (fruits.contains(new Fruit(fruitName, \"\u0635\u0648\u0631\u062a\u06cc\"))) {\n\nSystem.out.println(\"\u0645\u06cc\u0648\u0647 \" + fruitName + \" \u062f\u0631 \u0645\u062c\u0645\u0648\u0639\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f.\");\n\n} else {\n\nSystem.out.println(\"\u0645\u06cc\u0648\u0647 \" + fruitName + \" \u062f\u0631 \u0645\u062c\u0645\u0648\u0639\u0647 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f.\");\n\n}\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u0646\u0627\u0645 \u0645\u06cc\u0648\u0647\u200c\u0627\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u0645 \u062f\u0631 \u0645\u062a\u063a\u06cc\u0631 fruitName \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0633\u067e\u0633 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f contains\u060c \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0622\u06cc\u0627 \u0645\u06cc\u0648\u0647 \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u062f\u0631 \u0645\u062c\u0645\u0648\u0639\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06cc\u0627 \u062e\u06cc\u0631.<\/p>\n\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f5: \u062d\u0630\u0641 \u0645\u06cc\u0648\u0647 \u0627\u0632 \u0645\u062c\u0645\u0648\u0639\u0647<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String fruitName = \"\u0645\u0648\u0632\";\n\n\n\n\nif (fruits.remove(new Fruit(fruitName, \"\u0632\u0631\u062f\"))) {\n\nSystem.out.println(\"\u0645\u06cc\u0648\u0647 \" + fruitName + \" \u0627\u0632 \u0645\u062c\u0645\u0648\u0639\u0647 \u062d\u0630\u0641 \u0634\u062f.\");\n\n} else {\n\nSystem.out.println(\"\u0645\u06cc\u0648\u0647 \" + fruitName + \" \u062f\u0631 \u0645\u062c\u0645\u0648\u0639\u0647 \u06cc\u0627\u0641\u062a \u0646\u0634\u062f.\");\n\n}\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u0646\u0627\u0645 \u0645\u06cc\u0648\u0647\u200c\u0627\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u062d\u0630\u0641 \u06a9\u0646\u06cc\u0645 \u062f\u0631 \u0645\u062a\u063a\u06cc\u0631 fruitName \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0633\u067e\u0633 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f remove\u060c \u0645\u06cc\u0648\u0647 \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u0631\u0627 \u0627\u0632 \u0645\u062c\u0645\u0648\u0639\u0647 \u062d\u0630\u0641 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645.<\/p>\n\n\n\n<p><strong>\u0634\u0631\u062d \u06a9\u0627\u0645\u0644 \u06a9\u062f<\/strong><strong>:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u0632 \u06a9\u0644\u0627\u0633 Fruit \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0647\u0631 \u0645\u06cc\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0634\u0627\u0645\u0644 \u062f\u0648 \u0641\u06cc\u0644\u062f name \u0648 color \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0646\u0627\u0645 \u0648 \u0631\u0646\u06af \u0645\u06cc\u0648\u0647 \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/li>\n\n\n\n<li>\u0627\u0632 HashSet \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u0645\u06cc\u0648\u0647\u200c\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. HashSet \u06cc\u06a9 \u06a9\u0644\u0627\u0633 Set \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u0628\u0647 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u0636\u0627\u0641\u0647\u060c \u062d\u0630\u0641 \u0648 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0622\u06cc\u0627 \u0639\u0646\u0635\u0631 \u062e\u0627\u0635\u06cc \u062f\u0631 \u0645\u062c\u0645\u0648\u0639\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06cc\u0627 \u062e\u06cc\u0631.<\/li>\n\n\n\n<li>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0633\u0647 \u0645\u06cc\u0648\u0647 \u0628\u0647 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u0636\u0627\u0641\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/li>\n\n\n\n<li>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u062d\u0644\u0642\u0647 for each\u060c \u0645\u062c\u0645\u0648\u0639\u0647 \u0645\u06cc\u0648\u0647\u200c\u0647\u0627 \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0648 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0647\u0631 \u0645\u06cc\u0648\u0647 \u0686\u0627\u067e \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n\n\n\n<li>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0648\u062c\u0648\u062f \u0645\u06cc\u0648\u0647\u200c\u0627\u06cc \u0628\u0627 \u0646\u0627\u0645 &#8220;\u06af\u0631\u06cc\u067e \u0641\u0631\u0648\u062a&#8221; \u062f\u0631 \u0645\u062c\u0645\u0648\u0639\u0647 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n\n\n\n<li>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0645\u06cc\u0648\u0647\u200c\u0627\u06cc \u0628\u0627 \u0646\u0627\u0645 &#8220;\u0645\u0648\u0632&#8221; \u0627\u0632 \u0645\u062c\u0645\u0648\u0639\u0647 \u062d\u0630\u0641 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u06f3. \u0631\u0627\u0628\u0637 Map<\/h3>\n\n\n\n<p>\u0631\u0627\u0628\u0637 Map \u0628\u0631\u0627\u06cc \u0646\u0645\u0627\u06cc\u0634 \u0646\u06af\u0627\u0634\u062a \u0628\u06cc\u0646 \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0648 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0647\u0631 \u06a9\u0644\u06cc\u062f \u0628\u0627\u06cc\u062f \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u0628\u0627\u0634\u062f.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>HashMap<\/strong><strong>:<\/strong> \u0645\u067e\u06cc \u06a9\u0647 \u0627\u0632 \u062c\u062f\u0648\u0644 \u0647\u0634 \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0639\u0646\u0627\u0635\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/li>\n\n\n\n<li><strong>TreeMap<\/strong><strong>:<\/strong> \u0645\u067e\u06cc \u06a9\u0647 \u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u062a\u0631\u062a\u06cc\u0628 \u0637\u0628\u06cc\u0639\u06cc \u06cc\u0627 \u0645\u0642\u0627\u06cc\u0633\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0645\u0631\u062a\u0628 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/li>\n\n\n\n<li><strong>LinkedHashMap<\/strong><strong>:<\/strong> \u0645\u067e\u06cc \u06a9\u0647 \u062a\u0631\u062a\u06cc\u0628 \u062f\u0631\u062c \u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u062d\u0641\u0638 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u0645\u062b\u0627\u0644 \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0627\u0632 \u0631\u0627\u0628\u0637 Map \u062f\u0631 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection<\/h4>\n\n\n\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u0627\u0646 \u062f\u0631 \u06cc\u06a9 \u06a9\u0644\u0627\u0633 \u062f\u0631\u0633 \u0631\u0627 \u0628\u0647 \u0647\u0645\u0631\u0627\u0647 \u0646\u0627\u0645\u060c \u0633\u0646 \u0648 \u0646\u0645\u0631\u0647 \u0622\u0646\u200c\u0647\u0627 \u062f\u0631 \u06cc\u06a9 \u062f\u0627\u06cc\u0631\u0647 \u0627\u0644\u0645\u0639\u0627\u0631\u0641 \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u06cc\u062f. \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0631\u0627\u0628\u0637 Map \u062f\u0631 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection \u062c\u0627\u0648\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n<div class=\"jet-listing-grid--50121\" style=\"\"><div class=\"jet-listing-dynamic-field-block zht-maktab-khooneh-course cb-fb2qc30r\"data-is-block=\"jet-engine\/dynamic-field\"><div class=\"jet-listing-dynamic-field__content\" >\n<div class=\"course-card\">\n    <div class=\"course-card-img\">\n        <img decoding=\"async\" \n            data-src=\"https:\/\/media1.maktabkhooneh.org\/CACHE\/images\/courses\/images\/6660\/23badb553b9db80398162c385c0aef79.webp?expire=4893471932&#038;token=79f95fc84688fe6b9edd753359a3e94d&#038;md5=eflfyEaI_mue3XUzWaPpTQ==\" \n            alt=\"\u0622\u0645\u0648\u0632\u0634 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u062c\u0627\u0648\u0627: \u062d\u0644 \u0645\u0633\u0627\u0626\u0644 \u0628\u0627 \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631\" \n            title=\"\u0622\u0645\u0648\u0632\u0634 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u062c\u0627\u0648\u0627: \u062d\u0644 \u0645\u0633\u0627\u0626\u0644 \u0628\u0627 \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631\" \n            width=\"100%\" \n            height=\"auto\"\n           \n         src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\">\n    <\/div>\n\n    <div class=\"course-details\">\n        <a href=\"https:\/\/maktabkhooneh.org\/course\/%D8%A2%D9%85%D9%88%D8%B2%D8%B4-%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87-%D9%86%D9%88%DB%8C%D8%B3%DB%8C-%D8%AC%D8%A7%D9%88%D8%A7-%D8%AD%D9%84-%D9%85%D8%B3%D8%A7%D8%A6%D9%84-%D9%86%D8%B1%D9%85-%D8%A7%D9%81%D8%B2%D8%A7%D8%B1-mk6660\/\" class=\"course-title\" target=\"_blank\" rel=\"noopener noreferrer\">\n            \u0622\u0645\u0648\u0632\u0634 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u062c\u0627\u0648\u0627: \u062d\u0644 \u0645\u0633\u0627\u0626\u0644 \u0628\u0627 \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631        <\/a>\n\n        <div class=\"course-price\">\n            \n                <span class=\"real-price\">\n                                            \u06f2\u06f4\u06f9,\u06f0\u06f0\u06f0                                    <\/span>\n\n                <span>\n                    <span class=\"discounted-price\">\n                        \u06f9\u06f9,\u06f0\u06f0\u06f0                    <\/span>\n                    <span class=\"price-currency\">\u062a\u0648\u0645\u0627\u0646<\/span>\n                <\/span>\n\n                                    <div class=\"discount-percentage\">\n                        \u06f6\u06f0%                    <\/div>\n                \n                    <\/div>\n        <button class=\"course-cta-button\" data-course-url=\"https:\/\/maktabkhooneh.org\/course\/%D8%A2%D9%85%D9%88%D8%B2%D8%B4-%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87-%D9%86%D9%88%DB%8C%D8%B3%DB%8C-%D8%AC%D8%A7%D9%88%D8%A7-%D8%AD%D9%84-%D9%85%D8%B3%D8%A7%D8%A6%D9%84-%D9%86%D8%B1%D9%85-%D8%A7%D9%81%D8%B2%D8%A7%D8%B1-mk6660\/\">\n            \u0645\u0634\u0627\u0647\u062f\u0647 \u0648 \u062e\u0631\u06cc\u062f        <\/button>\n    <\/div>\n<\/div>\n<\/div><\/div><\/div>\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f1: \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0644\u0627\u0633 <\/strong><strong>Student<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">public class Student {\n\nprivate String name;\n\nprivate int age;\n\nprivate double score;\n\n\n\n\npublic Student(String name, int age, double score) {\n\nthis.name = name;\n\nthis.age = age;\n\nthis.score = score;\n\n}\n\n\n\n\n\/\/ Getters and setters omitted for brevity\n\n}\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f \u0627\u0632 \u0645\u062b\u0627\u0644 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection \u062f\u0631 \u062c\u0627\u0648\u0627\u060c \u06a9\u0644\u0627\u0633 Student \u0628\u0627 \u0633\u0647 \u0641\u06cc\u0644\u062f \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0627\u0633\u062a: name\u060c age \u0648 score. \u0627\u06cc\u0646 \u0641\u06cc\u0644\u062f\u0647\u0627 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0646\u0627\u0645 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u060c \u0633\u0646 \u0648 \u0646\u0645\u0631\u0647 \u0627\u0648 \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f2: \u0627\u06cc\u062c\u0627\u062f \u062f\u0627\u06cc\u0631\u0647 \u0627\u0644\u0645\u0639\u0627\u0631\u0641 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u0627\u0646<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Map&lt;String, Student&gt; students = new HashMap&lt;&gt;();\n\nstudents.put(\"\u0639\u0644\u06cc\", new Student(\"\u0639\u0644\u06cc\", \u06f1\u06f5, \u06f1\u06f8.\u06f5));\n\nstudents.put(\"\u0645\u062d\u0645\u062f\", new Student(\"\u0645\u062d\u0645\u062f\", \u06f1\u06f6, \u06f1\u06f9.\u06f2));\n\nstudents.put(\"\u062d\u0633\u0646\", new Student(\"\u062d\u0633\u0646\", \u06f1\u06f7, \u06f1\u06f7.\u06f8));\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u06cc\u06a9 HashMap \u0628\u0627 \u0646\u0627\u0645 students \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u0634\u0648\u062f. \u0633\u067e\u0633 \u0633\u0647 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u062c\u062f\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f put \u0628\u0647 \u062f\u0627\u06cc\u0631\u0647 \u0627\u0644\u0645\u0639\u0627\u0631\u0641 \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u06a9\u0644\u06cc\u062f \u0647\u0631 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0646\u0627\u0645 \u0627\u0648 \u0648 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0622\u0646 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u0627\u0648 (\u0633\u0646 \u0648 \u0646\u0645\u0631\u0647) \u0627\u0633\u062a.<\/p>\n\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f3: \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String studentName = \"\u062d\u0633\u0646\";\n\n\n\n\nif (students.containsKey(studentName)) {\n\nStudent student = students.get(studentName);\n\nSystem.out.println(\"\u0646\u0627\u0645: \" + student.getName());\n\nSystem.out.println(\"\u0633\u0646: \" + student.getAge());\n\nSystem.out.println(\"\u0646\u0645\u0631\u0647: \" + student.getScore());\n\n} else {\n\nSystem.out.println(\"\u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0628\u0627 \u0646\u0627\u0645 \" + studentName + \" \u06cc\u0627\u0641\u062a \u0646\u0634\u062f.\");\n\n}\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u0646\u0627\u0645 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0622\u0646 \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u0645 \u062f\u0631 \u0645\u062a\u063a\u06cc\u0631 studentName \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0633\u067e\u0633 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f containsKey\u060c \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u0622\u06cc\u0627 \u0646\u0627\u0645 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u062f\u0631 \u062f\u0627\u06cc\u0631\u0647 \u0627\u0644\u0645\u0639\u0627\u0631\u0641 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06cc\u0627 \u062e\u06cc\u0631. \u0627\u06af\u0631 \u0646\u0627\u0645 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f\u060c \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f get \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0622\u0646 \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645.<\/p>\n\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f4: \u062d\u0630\u0641 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0627\u0632 \u062f\u0627\u06cc\u0631\u0647 \u0627\u0644\u0645\u0639\u0627\u0631\u0641<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String studentName = \"\u0645\u062d\u0645\u062f\";\n\n\n\n\nif (students.remove(studentName) != null) {\n\nSystem.out.println(\"\u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \" + studentName + \" \u0627\u0632 \u062f\u0627\u06cc\u0631\u0647 \u0627\u0644\u0645\u0639\u0627\u0631\u0641 \u062d\u0630\u0641 \u0634\u062f.\");\n\n} else {\n\nSystem.out.println(\"\u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0628\u0627 \u0646\u0627\u0645 \" + studentName + \" \u06cc\u0627\u0641\u062a \u0646\u0634\u062f.\");\n\n}\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u0646\u0627\u0645 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u062d\u0630\u0641 \u06a9\u0646\u06cc\u0645 \u062f\u0631 \u0645\u062a\u063a\u06cc\u0631 studentName \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0633\u067e\u0633 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f remove\u060c \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u0631\u0627 \u0627\u0632 \u062f\u0627\u06cc\u0631\u0647 \u0627\u0644\u0645\u0639\u0627\u0631\u0641 \u062d\u0630\u0641 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645.<\/p>\n\n\n\n<p><strong>\u0634\u0631\u062d \u06a9\u0627\u0645\u0644 \u06a9\u062f:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u0632 \u06a9\u0644\u0627\u0633 Student \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0647\u0631 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0634\u0627\u0645\u0644 \u0633\u0647 \u0641\u06cc\u0644\u062f name\u060c age \u0648 score \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0646\u0627\u0645\u060c \u0633\u0646 \u0648 \u0646\u0645\u0631\u0647 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/li>\n\n\n\n<li>\u0627\u0632 HashMap \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u062f\u0627\u06cc\u0631\u0647 \u0627\u0644\u0645\u0639\u0627\u0631\u0641 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. HashMap \u06cc\u06a9 \u06a9\u0644\u0627\u0633 Map \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0648 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0631\u0627 \u0628\u0647 \u062f\u0627\u06cc\u0631\u0647 \u0627\u0644\u0645\u0639\u0627\u0631\u0641 \u0627\u0636\u0627\u0641\u0647\u060c \u062d\u0630\u0641 \u0648 \u062c\u0633\u062a\u062c\u0648 \u06a9\u0646\u06cc\u062f.<\/li>\n\n\n\n<li>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0633\u0647 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0628\u0647 \u062f\u0627\u06cc\u0631\u0647 \u0627\u0644\u0645\u0639\u0627\u0631\u0641 \u0627\u0636\u0627\u0641\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/li>\n\n\n\n<li>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f get\u060c \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0628\u0627 \u0646\u0627\u0645 &#8220;\u062d\u0633\u0646&#8221; \u0627\u0632 \u062f\u0627\u06cc\u0631\u0647 \u0627\u0644\u0645\u0639\u0627\u0631\u0641 \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n\n\n\n<li>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f remove\u060c \u062f\u0627\u0646\u0634\u200c\u0622\u0645\u0648\u0632 \u0628\u0627 \u0646\u0627\u0645 &#8220;\u0645\u062d\u0645\u062f&#8221; \u0627\u0632 \u062f\u0627\u06cc\u0631\u0647 \u0627\u0644\u0645\u0639\u0627\u0631\u0641 \u062d\u0630\u0641 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection \u062f\u0631 \u062c\u0627\u0648\u0627<\/h2>\n\n\n\n<p>\u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection \u062f\u0631 \u062c\u0627\u0648\u0627 \u062f\u0631 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0627\u0632 \u062c\u0645\u0644\u0647:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0630\u062e\u06cc\u0631\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627:<\/strong> \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0645\u0627\u0646\u0646\u062f \u0644\u06cc\u0633\u062a \u06a9\u0627\u0631\u0628\u0631\u0627\u0646\u060c \u0645\u062d\u0635\u0648\u0644\u0627\u062a\u060c \u0633\u0641\u0627\u0631\u0634\u0627\u062a \u0648 \u063a\u06cc\u0631\u0647.<\/li>\n\n\n\n<li><strong>\u067e\u0631\u062f\u0627\u0632\u0634 \u062f\u0627\u062f\u0647\u200c\u0647\u0627:<\/strong> \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0639\u0645\u0644\u06cc\u0627\u062a \u0645\u062e\u062a\u0644\u0641 \u0628\u0631 \u0631\u0648\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0645\u0627\u0646\u0646\u062f \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0631\u062f\u0646\u060c \u0645\u0631\u062a\u0628\u200c\u0633\u0627\u0632\u06cc\u060c \u062c\u0633\u062a\u062c\u0648 \u0648 \u063a\u06cc\u0631\u0647.<\/li>\n\n\n\n<li><strong>\u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u067e\u06cc\u0686\u06cc\u062f\u0647\u200c\u062a\u0631:<\/strong> \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0628\u0644\u0648\u06a9\u200c\u0647\u0627\u06cc \u0633\u0627\u062e\u062a\u0645\u0627\u0646\u06cc \u0628\u0631\u0627\u06cc \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 \u067e\u06cc\u0686\u06cc\u062f\u0647\u200c\u062a\u0631 \u0645\u0627\u0646\u0646\u062f \u062f\u0631\u062e\u062a\u200c\u0647\u0627\u060c \u06af\u0631\u0627\u0641\u200c\u0647\u0627 \u0648 \u0635\u0641\u200c\u0647\u0627.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u0645\u0632\u0627\u06cc\u0627 \u0648 \u0645\u0639\u0627\u06cc\u0628 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection \u062f\u0631 \u062c\u0627\u0648\u0627<\/h3>\n\n\n\n<p>\u0645\u0632\u0627\u06cc\u0627 \u0648 \u0645\u0639\u0627\u06cc\u0628 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 \u06a9\u0648\u0644\u06a9\u0634\u0646 \u062f\u0631 <a href=\"https:\/\/maktabkhooneh.org\/mag\/what-is-java\/\">\u062c\u0627\u0648\u0627 \u0686\u06cc\u0633\u062a<\/a>\u061f \u0627\u06cc\u0646 \u0645\u0632\u0627\u06cc\u0627 \u0648 \u0645\u0639\u0627\u06cc\u0628 \u0628\u0647 \u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0627\u0633\u062a:<\/p>\n\n\n<div class=\"jet-listing-grid--50121\" style=\"\"><div class=\"jet-listing-dynamic-field-block zht-maktab-khooneh-course cb-fb2qc30r\"data-is-block=\"jet-engine\/dynamic-field\"><div class=\"jet-listing-dynamic-field__content\" >\n<div class=\"course-card\">\n    <div class=\"course-card-img\">\n        <img decoding=\"async\" \n            data-src=\"https:\/\/media1.maktabkhooneh.org\/CACHE\/images\/courses\/images\/6661\/84c0bc75d2c4659ac8ace8f5cf1fe3ac.webp?expire=4893471932&#038;token=54bbfa99d0b5a5759d005ea0fdbf869d&#038;md5=VLv6mdC1pXWdAF6g_b-GnQ==\" \n            alt=\"\u0622\u0645\u0648\u0632\u0634 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u062c\u0627\u0648\u0627: \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627\u060c \u0644\u06cc\u0633\u062a\u200c\u0647\u0627 \u0648 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0633\u0627\u062e\u062a\u0627\u0631\u06cc\u0627\u0641\u062a\u0647\" \n            title=\"\u0622\u0645\u0648\u0632\u0634 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u062c\u0627\u0648\u0627: \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627\u060c \u0644\u06cc\u0633\u062a\u200c\u0647\u0627 \u0648 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0633\u0627\u062e\u062a\u0627\u0631\u06cc\u0627\u0641\u062a\u0647\" \n            width=\"100%\" \n            height=\"auto\"\n           \n         src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\">\n    <\/div>\n\n    <div class=\"course-details\">\n        <a href=\"https:\/\/maktabkhooneh.org\/course\/%D8%A2%D9%85%D9%88%D8%B2%D8%B4-%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87-%D9%86%D9%88%DB%8C%D8%B3%DB%8C-%D8%AC%D8%A7%D9%88%D8%A7-%D8%A2%D8%B1%D8%A7%DB%8C%D9%87-%D9%84%DB%8C%D8%B3%D8%AA-%D8%AF%D8%A7%D8%AF%D9%87-mk6661\/\" class=\"course-title\" target=\"_blank\" rel=\"noopener noreferrer\">\n            \u0622\u0645\u0648\u0632\u0634 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u062c\u0627\u0648\u0627: \u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627\u060c \u0644\u06cc\u0633\u062a\u200c\u0647\u0627 \u0648 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0633\u0627\u062e\u062a\u0627\u0631\u06cc\u0627\u0641\u062a\u0647        <\/a>\n\n        <div class=\"course-price\">\n            \n                <span class=\"real-price\">\n                                            \u06f1\u06f9\u06f9,\u06f0\u06f0\u06f0                                    <\/span>\n\n                <span>\n                    <span class=\"discounted-price\">\n                        \u06f9\u06f9,\u06f0\u06f0\u06f0                    <\/span>\n                    <span class=\"price-currency\">\u062a\u0648\u0645\u0627\u0646<\/span>\n                <\/span>\n\n                                    <div class=\"discount-percentage\">\n                        \u06f5\u06f0%                    <\/div>\n                \n                    <\/div>\n        <button class=\"course-cta-button\" data-course-url=\"https:\/\/maktabkhooneh.org\/course\/%D8%A2%D9%85%D9%88%D8%B2%D8%B4-%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87-%D9%86%D9%88%DB%8C%D8%B3%DB%8C-%D8%AC%D8%A7%D9%88%D8%A7-%D8%A2%D8%B1%D8%A7%DB%8C%D9%87-%D9%84%DB%8C%D8%B3%D8%AA-%D8%AF%D8%A7%D8%AF%D9%87-mk6661\/\">\n            \u0645\u0634\u0627\u0647\u062f\u0647 \u0648 \u062e\u0631\u06cc\u062f        <\/button>\n    <\/div>\n<\/div>\n<\/div><\/div><\/div>\n\n\n<p><strong>\u0645\u0632\u0627\u06cc\u0627:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0633\u0627\u062f\u06af\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647:<\/strong> \u0641\u0631\u06cc\u0645\u0648\u0631\u06a9 Collection \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u0646\u062f\u0647 \u0631\u0627\u0628\u0637\u200c\u0647\u0627\u06cc \u0633\u0627\u062f\u0647 \u0648 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0627\u0633\u062a.<\/li>\n\n\n\n<li><strong>\u06a9\u0627\u0631\u0627\u06cc\u06cc:<\/strong> \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc\u200c\u0647\u0627\u06cc Collection \u0628\u0647\u06cc\u0646\u0647 \u0634\u062f\u0647\u200c\u0627\u0646\u062f \u062a\u0627 \u0639\u0645\u0644\u06a9\u0631\u062f \u062e\u0648\u0628\u06cc \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f.<\/li>\n\n\n\n<li><strong>\u06af\u0633\u062a\u0631\u062f\u06af\u06cc:<\/strong> \u0641\u0631\u06cc\u0645\u0648\u0631\u06a9 Collection \u0634\u0627\u0645\u0644 \u0637\u06cc\u0641 \u0648\u0633\u06cc\u0639\u06cc \u0627\u0632 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627 \u0648 \u0631\u0627\u0628\u0637\u200c\u0647\u0627 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0645\u0646\u0627\u0633\u0628 \u0627\u0633\u062a.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0645\u0639\u0627\u06cc\u0628:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc:<\/strong> \u0628\u0631\u062e\u06cc \u0627\u0632 \u0633\u0627\u062e\u062a\u0645\u0627\u0646\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 Collection \u0645\u0627\u0646\u0646\u062f TreeMap \u0648 TreeSet \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u0632\u0645\u0627\u0646\u06cc \u0628\u0627\u0644\u0627\u062a\u0631\u06cc \u0628\u0631\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a \u062f\u0627\u0631\u0646\u062f.<\/li>\n\n\n\n<li><strong>\u0645\u0635\u0631\u0641 \u062d\u0627\u0641\u0638\u0647:<\/strong> \u0628\u0631\u062e\u06cc \u0627\u0632 \u0633\u0627\u062e\u062a\u0645\u0627\u0646\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647 Collection \u0645\u0627\u0646\u0646\u062f ArrayList \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0641\u0636\u0627\u06cc \u062d\u0627\u0641\u0638\u0647 \u0632\u06cc\u0627\u062f\u06cc \u0631\u0627 \u0627\u0634\u063a\u0627\u0644 \u06a9\u0646\u0646\u062f.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"1024\" height=\"722\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/07\/70cf195f-7b1f-4853-9d33-1223f8e374c0.jpg\" alt=\"\u0645\u0632\u0627\u06cc\u0627 \u0648 \u0645\u0639\u0627\u06cc\u0628 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection \u062f\u0631 \u062c\u0627\u0648\u0627\" class=\"wp-image-43931 lazyload\" title=\"\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/07\/70cf195f-7b1f-4853-9d33-1223f8e374c0.jpg 1024w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/07\/70cf195f-7b1f-4853-9d33-1223f8e374c0-300x212.jpg.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/07\/70cf195f-7b1f-4853-9d33-1223f8e374c0-768x542.jpg.webp 768w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/722;\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u0645\u062b\u0627\u0644\u06cc \u0627\u0632 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 \u06a9\u0648\u0644\u06a9\u0634\u0646 \u062f\u0631 \u062c\u0627\u0648\u0627<\/h2>\n\n\n\n<p>\u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u062f\u0631 \u0631\u0627\u0628\u0637\u0647 \u0628\u0627 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 \u06a9\u0648\u0644\u06a9\u0634\u0646 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0647\u0645\u06cc\u062a \u062e\u0627\u0635\u06cc \u062f\u0627\u0631\u062f:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.ArrayList;\n\nimport java.util.List;\n\n\n\n\npublic class Example {\n\npublic static void main(String[] args) {\n\nList names = new ArrayList&lt;&gt;();\n\nnames.add(\"\u0639\u0644\u06cc\");\n\nnames.add(\"\u0645\u062d\u0645\u062f\");\n\nnames.add(\"\u062d\u0633\u0646\");\n\n\n\n\nfor (String name : names) {\n\nSystem.out.println(name);\n\n}\n\n}\n\n}\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u0632 \u06cc\u06a9 ArrayList \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0646\u0627\u0645\u200c\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0633\u067e\u0633 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u062d\u0644\u0642\u0647 for\u060c \u0646\u0627\u0645\u200c\u0647\u0627 \u0631\u0627 \u0686\u0627\u067e \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0645\u062b\u0627\u0644\u06cc \u062c\u0627\u0645\u0639 \u0648 \u0639\u0645\u0644\u06cc \u0627\u0632 Collection \u062f\u0631 \u062c\u0627\u0648\u0627<\/h2>\n\n\n\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u0634\u0645\u0627 \u06cc\u06a9 \u0641\u0631\u0648\u0634\u06af\u0627\u0647 \u0622\u0646\u0644\u0627\u06cc\u0646 \u062f\u0627\u0631\u06cc\u062f \u0648 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0647\u0645\u0631\u0627\u0647 \u0642\u06cc\u0645\u062a \u0648 \u0645\u0648\u062c\u0648\u062f\u06cc \u0622\u0646\u200c\u0647\u0627 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u0630\u062e\u06cc\u0631\u0647 \u06a9\u0646\u06cc\u062f. \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u06cc\u06a9 ArrayList \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f1: \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0644\u0627\u0633 <\/strong><strong>Product<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">public class Product {\n\nprivate String name;\n\nprivate double price;\n\nprivate int quantity;\n\n\n\n\npublic Product(String name, double price, int quantity) {\n\nthis.name = name;\n\nthis.price = price;\n\nthis.quantity = quantity;\n\n}\n\n\n\n\n\/\/ Getters and setters omitted for brevity\n\n}\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u06a9\u0644\u0627\u0633 Product \u0628\u0627 \u0633\u0647 \u0641\u06cc\u0644\u062f \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0627\u0633\u062a: name\u060c price \u0648 quantity. \u0627\u06cc\u0646 \u0641\u06cc\u0644\u062f\u0647\u0627 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0646\u0627\u0645 \u0645\u062d\u0635\u0648\u0644\u060c \u0642\u06cc\u0645\u062a \u0648 \u0645\u0648\u062c\u0648\u062f\u06cc \u0622\u0646 \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f2: \u0627\u06cc\u062c\u0627\u062f \u0644\u06cc\u0633\u062a \u0645\u062d\u0635\u0648\u0644\u0627\u062a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">List products = new ArrayList&lt;&gt;();\n\nproducts.add(new Product(\"Laptop\", 1200, 10));\n\nproducts.add(new Product(\"Smartphone\", 500, 20));\n\nproducts.add(new Product(\"Tablet\", 300, 15));\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u06cc\u06a9 ArrayList \u0628\u0627 \u0646\u0627\u0645 products \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u0634\u0648\u062f. \u0633\u067e\u0633 \u0633\u0647 \u0645\u062d\u0635\u0648\u0644 \u062c\u062f\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0633\u0627\u0632\u0646\u062f\u0647 \u06a9\u0644\u0627\u0633 Product \u0628\u0647 \u0644\u06cc\u0633\u062a \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f3: \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0644\u06cc\u0633\u062a \u0645\u062d\u0635\u0648\u0644\u0627\u062a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">for (Product product : products) {\n\nSystem.out.println(\"\u0646\u0627\u0645 \u0645\u062d\u0635\u0648\u0644: \" + product.getName());\n\nSystem.out.println(\"\u0642\u06cc\u0645\u062a: \" + product.getPrice());\n\nSystem.out.println(\"\u0645\u0648\u062c\u0648\u062f\u06cc: \" + product.getQuantity());\n\nSystem.out.println(\"------------------------\");\n\n}\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u06cc\u06a9 \u062d\u0644\u0642\u0647 for each \u0628\u0631\u0627\u06cc \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0644\u06cc\u0633\u062a \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062f\u0627\u062e\u0644 \u062d\u0644\u0642\u0647\u060c \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0647\u0631 \u0645\u062d\u0635\u0648\u0644 \u0686\u0627\u067e \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f4: \u062c\u0633\u062a\u062c\u0648 \u062f\u0631 \u0644\u06cc\u0633\u062a \u0645\u062d\u0635\u0648\u0644\u0627\u062a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String productName = \"Tablet\";\n\n\n\n\nfor (Product product : products) {\n\nif (product.getName().equals(productName)) {\n\nSystem.out.println(\"\u0645\u062d\u0635\u0648\u0644 \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u06cc\u0627\u0641\u062a \u0634\u062f:\");\n\nSystem.out.println(\"\u0646\u0627\u0645 \u0645\u062d\u0635\u0648\u0644: \" + product.getName());\n\nSystem.out.println(\"\u0642\u06cc\u0645\u062a: \" + product.getPrice());\n\nSystem.out.println(\"\u0645\u0648\u062c\u0648\u062f\u06cc: \" + product.getQuantity());\n\nbreak;\n\n}\n\n}\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u0646\u0627\u0645 \u0645\u062d\u0635\u0648\u0644\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u067e\u06cc\u062f\u0627 \u06a9\u0646\u06cc\u0645 \u062f\u0631 \u0645\u062a\u063a\u06cc\u0631 productName \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0633\u067e\u0633 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u062d\u0644\u0642\u0647 for each\u060c \u0644\u06cc\u0633\u062a \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0631\u0627 \u062c\u0633\u062a\u062c\u0648 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645. \u0627\u06af\u0631 \u0645\u062d\u0635\u0648\u0644 \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u067e\u06cc\u062f\u0627 \u0634\u062f\u060c \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0622\u0646 \u0686\u0627\u067e \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u0631\u062d\u0644\u0647 \u06f5: \u062d\u0630\u0641 \u0645\u062d\u0635\u0648\u0644 \u0627\u0632 \u0644\u06cc\u0633\u062a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String productName = \"Smartphone\";\n\n\n\n\nfor (int i = 0; i &lt; products.size(); i++) {\n\nProduct product = products.get(i);\n\nif (product.getName().equals(productName)) {\n\nproducts.remove(i);\n\nSystem.out.println(\"\u0645\u062d\u0635\u0648\u0644 \" + productName + \" \u0627\u0632 \u0644\u06cc\u0633\u062a \u062d\u0630\u0641 \u0634\u062f.\");\n\nbreak;\n\n}\n\n}\n\n<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u06a9\u062f\u060c \u0646\u0627\u0645 \u0645\u062d\u0635\u0648\u0644\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u062d\u0630\u0641 \u06a9\u0646\u06cc\u0645 \u062f\u0631 \u0645\u062a\u063a\u06cc\u0631 productName \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0633\u067e\u0633 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u062d\u0644\u0642\u0647 for\u060c \u0644\u06cc\u0633\u062a \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0631\u0627 \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645. \u0627\u06af\u0631 \u0645\u062d\u0635\u0648\u0644 \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u067e\u06cc\u062f\u0627 \u0634\u062f\u060c \u0627\u0632 \u0644\u06cc\u0633\u062a \u062d\u0630\u0641 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<p><strong>\u0634\u0631\u062d \u06a9\u0627\u0645\u0644 \u06a9\u062f:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u0632 \u06a9\u0644\u0627\u0633 Product \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0647\u0631 \u0645\u062d\u0635\u0648\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0634\u0627\u0645\u0644 \u0633\u0647 \u0641\u06cc\u0644\u062f name\u060c price \u0648 quantity \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0646\u0627\u0645\u060c \u0642\u06cc\u0645\u062a \u0648 \u0645\u0648\u062c\u0648\u062f\u06cc \u0645\u062d\u0635\u0648\u0644 \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/li>\n\n\n\n<li>\u0627\u0632 ArrayList \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. ArrayList \u06cc\u06a9 \u06a9\u0644\u0627\u0633 Collection \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u0628\u0647 \u0644\u06cc\u0633\u062a \u0627\u0636\u0627\u0641\u0647\u060c \u062d\u0630\u0641 \u0648 \u062c\u0633\u062a\u062c\u0648 \u06a9\u0646\u06cc\u062f.<\/li>\n\n\n\n<li>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0633\u0647 \u0645\u062d\u0635\u0648\u0644 \u0628\u0647 \u0644\u06cc\u0633\u062a \u0627\u0636\u0627\u0641\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/li>\n\n\n\n<li>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9 \u062d\u0644\u0642\u0647 for each\u060c \u0644\u06cc\u0633\u062a \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0648 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0647\u0631 \u0645\u062d\u0635\u0648\u0644 \u0686\u0627\u067e \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n\n\n\n<li>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0645\u062d\u0635\u0648\u0644\u06cc \u0628\u0627 \u0646\u0627\u0645 &#8220;Tablet&#8221; \u062f\u0631 \u0644\u06cc\u0633\u062a \u062c\u0633\u062a\u062c\u0648 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06af\u0631 \u0645\u062d\u0635\u0648\u0644 \u067e\u06cc\u062f\u0627 \u0634\u062f\u060c \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0622\u0646 \u0686\u0627\u067e \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n\n\n\n<li>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0645\u062d\u0635\u0648\u0644\u06cc \u0628\u0627 \u0646\u0627\u0645 &#8220;Smartphone&#8221; \u0627\u0632 \u0644\u06cc\u0633\u062a \u062d\u0630\u0641 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0646\u06a9\u0627\u062a \u0645\u0647\u0645:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Collection\u0647\u0627 \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647\u060c \u062f\u0633\u062a\u06a9\u0627\u0631\u06cc \u0648 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06af\u0631\u0648\u0647\u06cc \u0627\u0632 \u0627\u0634\u06cc\u0627\u0621 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/li>\n\n\n\n<li>ArrayList \u06cc\u06a9 Collection \u0645\u062d\u0628\u0648\u0628 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0639\u0646\u0627\u0635\u0631 \u0645\u0631\u062a\u0628 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n\n\n\n<li>\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u062d\u0644\u0642\u0647\u200c\u0647\u0627\u06cc for each \u0628\u0631\u0627\u06cc \u067e\u06cc\u0645\u0627\u06cc\u0634 Collection\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/li>\n\n\n\n<li>\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0645\u062a\u062f\u0647\u0627\u06cc various \u0628\u0631\u0627\u06cc \u062c\u0633\u062a\u062c\u0648 \u0648 \u062d\u0630\u0641 \u0639\u0646\u0627\u0635\u0631 \u0627\u0632 Collection<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u0633\u0648\u0627\u0644\u0627\u062a \u0645\u062a\u062f\u0627\u0648\u0644<\/h2>\n\n\n\n<p>\u062f\u0631 \u0632\u06cc\u0631 \u0686\u0646\u062f \u0633\u0648\u0627\u0644 \u0645\u062a\u062f\u0648\u0627\u0644 \u0628\u0631\u0627\u06cc \u062f\u0631\u06a9 \u0628\u0647\u062a\u0631 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 \u06a9\u0648\u0644\u06a9\u0634\u0646 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0622\u0631\u0648\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n\n\n<div class=\"jet-listing-grid--50121\" style=\"\"><div class=\"jet-listing-dynamic-field-block zht-maktab-khooneh-course cb-fb2qc30r\"data-is-block=\"jet-engine\/dynamic-field\"><div class=\"jet-listing-dynamic-field__content\" >\n<div class=\"course-card\">\n    <div class=\"course-card-img\">\n        <img decoding=\"async\" \n            data-src=\"https:\/\/media1.maktabkhooneh.org\/CACHE\/images\/courses\/images\/6663\/2b674ea12ce635d0aed2f70d1cb90c78.webp?expire=4893471932&#038;token=196510cfa3b5a5c043a5f58bbcd21884&#038;md5=GWUQz6O1pcBDpfWLvNIYhA==\" \n            alt=\"\u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u062c\u0627\u0648\u0627: \u0633\u0627\u062e\u062a \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u062a\u0648\u0635\u06cc\u0647\u200c\u06af\u0631\" \n            title=\"\u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u062c\u0627\u0648\u0627: \u0633\u0627\u062e\u062a \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u062a\u0648\u0635\u06cc\u0647\u200c\u06af\u0631\" \n            width=\"100%\" \n            height=\"auto\"\n           \n         src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\">\n    <\/div>\n\n    <div class=\"course-details\">\n        <a href=\"https:\/\/maktabkhooneh.org\/course\/%D8%A2%D9%85%D9%88%D8%B2%D8%B4-%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87-%D9%86%D9%88%DB%8C%D8%B3%DB%8C-%D8%AC%D8%A7%D9%88%D8%A7-%D8%B3%D8%A7%D8%AE%D8%AA-%D8%B3%DB%8C%D8%B3%D8%AA%D9%85-%D8%AA%D9%88%D8%B5%DB%8C%D9%87-%DA%AF%D8%B1-mk6663\/\" class=\"course-title\" target=\"_blank\" rel=\"noopener noreferrer\">\n            \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u062c\u0627\u0648\u0627: \u0633\u0627\u062e\u062a \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u062a\u0648\u0635\u06cc\u0647\u200c\u06af\u0631        <\/a>\n\n        <div class=\"course-price\">\n            \n                <span class=\"real-price\">\n                                            \u06f1\u06f4\u06f9,\u06f0\u06f0\u06f0                                    <\/span>\n\n                <span>\n                    <span class=\"discounted-price\">\n                        \u06f9\u06f9,\u06f0\u06f0\u06f0                    <\/span>\n                    <span class=\"price-currency\">\u062a\u0648\u0645\u0627\u0646<\/span>\n                <\/span>\n\n                                    <div class=\"discount-percentage\">\n                        \u06f3\u06f4%                    <\/div>\n                \n                    <\/div>\n        <button class=\"course-cta-button\" data-course-url=\"https:\/\/maktabkhooneh.org\/course\/%D8%A2%D9%85%D9%88%D8%B2%D8%B4-%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87-%D9%86%D9%88%DB%8C%D8%B3%DB%8C-%D8%AC%D8%A7%D9%88%D8%A7-%D8%B3%D8%A7%D8%AE%D8%AA-%D8%B3%DB%8C%D8%B3%D8%AA%D9%85-%D8%AA%D9%88%D8%B5%DB%8C%D9%87-%DA%AF%D8%B1-mk6663\/\">\n            \u0645\u0634\u0627\u0647\u062f\u0647 \u0648 \u062e\u0631\u06cc\u062f        <\/button>\n    <\/div>\n<\/div>\n<\/div><\/div><\/div>\n\n\n<ol class=\"wp-block-list\">\n<li><strong> \u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u0627\u0632 <\/strong><strong>ArrayList<\/strong><strong> \u0648 \u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u0627\u0632 <\/strong><strong>LinkedList<\/strong><strong> \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u061f<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u0627\u0632 ArrayList \u0632\u0645\u0627\u0646\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0647 \u062f\u0633\u062a\u0631\u0633\u06cc \u062a\u0635\u0627\u062f\u0641\u06cc \u0633\u0631\u06cc\u0639 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f\u060c \u0645\u0627\u0646\u0646\u062f \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0639\u0646\u0635\u0631 \u0628\u0627 \u0627\u0646\u062f\u06cc\u0633 \u0645\u0634\u062e\u0635. \u0627\u0632 LinkedList \u0632\u0645\u0627\u0646\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0647 \u062f\u0631\u062c \u0648 \u062d\u0630\u0641 \u0639\u0646\u0627\u0635\u0631 \u062f\u0631 \u0627\u0628\u062a\u062f\u0627 \u06cc\u0627 \u0627\u0646\u062a\u0647\u0627\u06cc \u0644\u06cc\u0633\u062a \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f.<\/p>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong> \u062a\u0641\u0627\u0648\u062a \u0628\u06cc\u0646 <\/strong><strong>HashSet<\/strong><strong> \u0648 <\/strong><strong>TreeSet<\/strong><strong> \u0686\u06cc\u0633\u062a\u061f<\/strong><\/li>\n<\/ol>\n\n\n\n<p>HashSet \u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0628\u06cc\u200c\u062a\u0631\u062a\u06cc\u0628 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u0622\u0646\u200c\u0647\u0627 \u0633\u0631\u06cc\u0639\u200c\u062a\u0631 \u0627\u0633\u062a. TreeSet \u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u062a\u0631\u062a\u06cc\u0628 \u0637\u0628\u06cc\u0639\u06cc \u06cc\u0627 \u0645\u0642\u0627\u06cc\u0633\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0645\u0631\u062a\u0628 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u062c\u0633\u062a\u062c\u0648 \u062f\u0631 \u0622\u0646 \u06a9\u0646\u062f\u062a\u0631 \u0627\u0633\u062a.<\/p>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong> \u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u0627\u0632 <\/strong><strong>HashMap<\/strong><strong> \u0648 \u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u0627\u0632 <\/strong><strong>TreeMap<\/strong><strong> \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u061f<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u0627\u0632 HashMap \u0632\u0645\u0627\u0646\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0647 \u062f\u0633\u062a\u0631\u0633\u06cc \u0633\u0631\u06cc\u0639 \u0628\u0647 \u0639\u0646\u0627\u0635\u0631 \u0628\u0631 \u0627\u0633\u0627\u0633 \u06a9\u0644\u06cc\u062f \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f. \u0627\u0632 TreeMap \u0632\u0645\u0627\u0646\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f \u0639\u0646\u0627\u0635\u0631 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u06a9\u0644\u06cc\u062f \u0645\u0631\u062a\u0628 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong> \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u06cc\u06a9 <\/strong><strong>Collection<\/strong><strong> \u0631\u0627 \u0628\u0647 \u0622\u0631\u0627\u06cc\u0647 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0631\u062f\u061f<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u06cc\u06a9 Collection \u0628\u0647 \u0622\u0631\u0627\u06cc\u0647\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0645\u062a\u062f toArray() \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n<ol start=\"5\" class=\"wp-block-list\">\n<li><strong> \u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0647 <\/strong><strong>Collection<\/strong><strong> \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0631\u062f\u061f<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0628\u0647 Collection\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u06a9\u0644\u0627\u0633 Arrays \u0648 \u0645\u062a\u062f asList() \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n\n\n\n<p><strong>\u0646\u06a9\u062a\u0647:<\/strong> \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u062a\u0646\u0647\u0627 \u06cc\u06a9 \u0645\u0642\u062f\u0645\u0647 \u0628\u0631 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u062a. \u0628\u0631\u0627\u06cc \u062a\u0633\u0644\u0637 \u06a9\u0627\u0645\u0644 \u0628\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639\u060c \u0645\u0637\u0627\u0644\u0639\u0647 \u0628\u06cc\u0634\u062a\u0631 \u0648 \u062a\u0645\u0631\u06cc\u0646 \u0639\u0645\u0644\u06cc \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u06a9\u0644\u0627\u0645 \u0646\u0647\u0627\u06cc\u06cc<\/h2>\n\n\n\n<p>\u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0628\u0632\u0627\u0631\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0627\u0633\u062a. \u0628\u0627 \u062f\u0631\u06a9 \u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641 Collection \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u0622\u0646\u200c\u0647\u0627\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u06a9\u062f\u0647\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u0628\u0647\u06cc\u0646\u0647 \u0648 \u0642\u0627\u0628\u0644 \u062e\u0648\u0627\u0646\u0627\u06cc\u06cc\u200c\u062a\u0631 \u06a9\u0646\u06cc\u062f. \u0627\u0646\u062a\u062e\u0627\u0628 \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0645\u0633\u0626\u0644\u0647 \u0628\u0633\u062a\u06af\u06cc \u0628\u0647 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u062e\u0627\u0635 \u0628\u0631\u0646\u0627\u0645\u0647 \u0634\u0645\u0627 \u062f\u0627\u0631\u062f.<\/p>\n\n\n<div class=\"jet-listing-grid--56206\" style=\"\"><div class=\"jet-listing-dynamic-field-block zht-maktab-khooneh-learn cb-ud1ng69u\"data-is-block=\"jet-engine\/dynamic-field\"><div class=\"jet-listing-dynamic-field__content\" >\r\n<div class=\"zht-learn-card\">\r\n    <div class=\"zht-learn-title-section\">\r\n        <div class=\"zht-learn-card-icon\">\r\n            <svg viewBox=\"0 0 24 24\" fill=\"currentColor\" width=\"24\" height=\"24\">\r\n                <path d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z\" \/>\r\n            <\/svg>\r\n        <\/div>\r\n        \r\n        <!-- \u0639\u0646\u0648\u0627\u0646 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0647 \u0628\u0647 \u0644\u06cc\u0646\u06a9 -->\r\n        <a href=\"https:\/\/maktabkhooneh.org\/learn\/programming\/\" class=\"zht-learn-card-title\" target=\"_blank\" rel=\"noopener noreferrer\">\r\n            \u062f\u0648\u0631\u0647\u200c\u0647\u0627\u06cc \u0622\u0645\u0648\u0632\u0634 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc        <\/a>\r\n    <\/div>\r\n\r\n    <!-- \u062f\u06a9\u0645\u0647 \u062a\u0628\u062f\u06cc\u0644 \u0634\u062f\u0647 \u0628\u0647 \u062a\u06af button -->\r\n    <!-- \u0627\u0632 onclick \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u062f\u0647 \u062a\u0627 \u0628\u0647 \u0645\u062d\u0636 \u06a9\u0644\u06cc\u06a9 \u0644\u06cc\u0646\u06a9 \u0631\u0627 \u0628\u0627\u0632 \u06a9\u0646\u062f -->\r\n    <button class=\"zht-learn-card-btn\" data-course-url=\"https:\/\/maktabkhooneh.org\/learn\/programming\/\" onclick=\"window.open(this.getAttribute('data-course-url'), '_blank');\">\r\n        \u0634\u0631\u0648\u0639 \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc\r\n    <\/button>\r\n<\/div><\/div><\/div><\/div>\n\n\n<p>\u0622\u06cc\u0627 \u0622\u0645\u0627\u062f\u0647\u200c\u0627\u06cc\u062f \u062a\u0627 \u062f\u0631 \u062f\u0646\u06cc\u0627\u06cc \u067e\u0631 \u0631\u0645\u0632 \u0648 \u0631\u0627\u0632 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u062c\u0627\u0648\u0627 \u063a\u0648\u0637\u0647\u200c\u0648\u0631 \u0634\u0648\u06cc\u062f\u061f \u0645\u06a9\u062a\u0628 \u062e\u0648\u0646\u0647 \u0628\u0627 \u0627\u0631\u0627\u0626\u0647 \u062f\u0648\u0631\u0647\u200c\u0647\u0627\u06cc \u062c\u0627\u0645\u0639 \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc <a href=\"https:\/\/maktabkhooneh.org\/learn\/programming\/\">\u0622\u0645\u0648\u0632\u0634 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc<\/a> \u0648 <a href=\"https:\/\/maktabkhooneh.org\/learn\/java\/\">\u0622\u0645\u0648\u0632\u0634 \u062c\u0627\u0648\u0627<\/a>\u060c \u06a9\u0644\u06cc\u062f \u0648\u0631\u0648\u062f \u0628\u0647 \u0627\u06cc\u0646 \u062f\u0646\u06cc\u0627\u06cc \u0634\u06af\u0641\u062a \u0627\u0646\u06af\u06cc\u0632 \u0631\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0647\u062f\u06cc\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f. \u062f\u0631 \u062f\u0648\u0631\u0647\u200c\u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0645\u06a9\u062a\u0628 \u062e\u0648\u0646\u0647\u060c \u0627\u0632 \u0635\u0641\u0631 \u062a\u0627 \u0635\u062f \u0627\u06cc\u0646 \u0632\u0628\u0627\u0646 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0631\u0627 \u0641\u0631\u0627 \u062e\u0648\u0627\u0647\u06cc\u062f \u06af\u0631\u0641\u062a \u0648 \u0628\u0627 \u0645\u0641\u0627\u0647\u06cc\u0645 \u0628\u0646\u06cc\u0627\u062f\u06cc\u060c \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u062f\u0627\u062f\u0647\u060c \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645\u200c\u0647\u0627 \u0648 \u062a\u06a9\u0646\u06cc\u06a9\u200c\u0647\u0627\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc \u062c\u0627\u0648\u0627 \u0622\u0634\u0646\u0627 \u062e\u0648\u0627\u0647\u06cc\u062f \u0634\u062f.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u062c\u0627\u0648\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u062d\u0628\u0648\u0628\u200c\u062a\u0631\u06cc\u0646 \u0632\u0628\u0627\u0646\u200c\u0647\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc\u060c \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u06cc \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u062f\u0631 \u0627\u062e\u062a\u06cc\u0627\u0631 \u062a\u0648\u0633\u0639\u0647\u200c\u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u062f\u0647\u062f. \u06cc\u06a9\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u060c \u0641\u0631\u06cc\u0645\u0648\u0631\u06a9 Collection \u0627\u0633\u062a \u06a9\u0647 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627 \u0648 \u0631\u0627\u0628\u0637\u200c\u0647\u0627 \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647\u060c \u062f\u0633\u062a\u06a9\u0627\u0631\u06cc \u0648 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u062c\u0645\u0648\u0639\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0628\u0647 \u0628\u0631\u0631\u0633\u06cc \u0633\u0627\u062e\u062a\u0645\u0627\u0646 \u062f\u0627\u062f\u0647 Collection \u062f\u0631 \u062c\u0627\u0648\u0627\u060c \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u060c \u0645\u0632\u0627\u06cc\u0627\u060c \u0645\u0639\u0627\u06cc\u0628 \u0648 \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc [&hellip;]<\/p>\n","protected":false},"author":28,"featured_media":43933,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,15],"tags":[],"class_list":["post-43930","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programming-and-it-training","category-java-articles"],"_links":{"self":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts\/43930","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/comments?post=43930"}],"version-history":[{"count":4,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts\/43930\/revisions"}],"predecessor-version":[{"id":68704,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts\/43930\/revisions\/68704"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/media\/43933"}],"wp:attachment":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/media?parent=43930"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/categories?post=43930"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/tags?post=43930"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}