{"id":43883,"date":"2024-07-23T12:30:34","date_gmt":"2024-07-23T08:00:34","guid":{"rendered":"https:\/\/wpadmin.maktabkhooneh.org\/mag\/?p=43883"},"modified":"2026-04-06T14:17:23","modified_gmt":"2026-04-06T10:47:23","slug":"strings-in-java","status":"publish","type":"post","link":"https:\/\/maktabkhooneh.org\/mag\/strings-in-java\/","title":{"rendered":"\u0631\u0634\u062a\u0647 \u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627: \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u06a9\u0627\u0645\u0644 \u0627\u0633\u062a\u0631\u06cc\u0646\u06af \u062f\u0631 \u062c\u0627\u0648\u0627"},"content":{"rendered":"\n<p>\u0631\u0634\u062a\u0647 \u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0648\u0636\u0648\u0639\u0627\u062a \u0627\u0633\u0627\u0633\u06cc \u0648 \u067e\u0631\u06a9\u0627\u0631\u0628\u0631\u062f \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u0647\u0633\u062a\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628 \u0622\u0645\u0648\u0632\u0634\u06cc \u0627\u0632 \u0645\u062c\u0644\u0647 \u0645\u06a9\u062a\u0648\u0628\u060c \u0628\u0647 \u0628\u0631\u0631\u0633\u06cc \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u0622\u0646\u200c\u0647\u0627 \u062f\u0631 \u0632\u0628\u0627\u0646 \u062c\u0627\u0648\u0627 \u0645\u06cc\u200c\u067e\u0631\u062f\u0627\u0632\u06cc\u0645. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0647 \u0645\u062a\u062f\u0647\u0627\u06cc \u0645\u062a\u0646\u0648\u0639\u06cc \u06a9\u0647 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631 \u0628\u0627 \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u0646\u062f \u0648 \u0646\u062d\u0648\u0647\u200c\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646\u200c\u0647\u0627 \u0627\u0634\u0627\u0631\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f. \u0627\u06af\u0631 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u062f\u0631\u0628\u0627\u0631\u0647\u200c\u06cc \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0628\u06cc\u0634\u062a\u0631 \u0628\u062f\u0627\u0646\u06cc\u062f\u060c \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628 \u0627\u0632 \u0645\u062c\u0644\u0647 \u0645\u06a9\u062a\u0648\u0628 \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f \u062a\u0627 \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0627\u0645\u0644 \u0628\u0627 \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u0622\u0634\u0646\u0627 \u0634\u0648\u06cc\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0631\u0634\u062a\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0686\u06cc\u0633\u062a\u061f<\/h2>\n\n\n\n<p><a href=\"https:\/\/maktabkhooneh.org\/mag\/what-is-java\/\">\u0631\u0634\u062a\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0686\u06cc\u0633\u062a<\/a>\u061f \u0631\u0634\u062a\u0647\u200c\u0647\u0627 (Strings) \u062f\u0631 \u062c\u0627\u0648\u0627\u060c \u0628\u0647 \u062f\u0646\u0628\u0627\u0644\u0647\u200c\u0627\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627 \u06af\u0641\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u06a9\u0647 \u062f\u0631 \u0628\u06cc\u0646 \u062f\u0648 \u0639\u0644\u0627\u0645\u062a \u0646\u0642\u0644 \u0642\u0648\u0644 \u062f\u0648\u062a\u0627\u06cc\u06cc (&#8221; &#8220;) \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u0646\u062f. \u0631\u0634\u062a\u0647\u200c \u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0634\u06cc \u0627\u0632 \u06a9\u0644\u0627\u0633 String \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc\u200c\u0634\u0648\u0646\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>\u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0631\u0634\u062a\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0627\u0632 \u062f\u0648 \u0631\u0648\u0634 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0639\u0644\u0627\u0645\u062a \u0646\u0642\u0644 \u0642\u0648\u0644 \u062f\u0648\u062a\u0627\u06cc\u06cc<\/li>\n\n\n\n<li>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc new<\/li>\n<\/ol>\n\n\n\n<p><strong>\u0645\u062b\u0627\u0644:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String str1 = \"Hello, Java!\";\n\nString str2 = new String(\"Hello, Java!\");\n\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u0622\u0631\u0627\u06cc\u0647 \u0627\u06cc \u0627\u0632 \u0631\u0634\u062a\u0647 \u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627<\/h3>\n\n\n\n<p>\u0622\u0631\u0627\u06cc\u0647\u200c\u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0627\u0632 \u0646\u0648\u0639 \u0631\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String[] fruits = {\"Apple\", \"Banana\", \"Cherry\"};<\/pre>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u0622\u0631\u0627\u06cc\u0647\u200c\u0627\u06cc \u0627\u0632 \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u06a9\u0647 \u062d\u0627\u0648\u06cc \u0646\u0627\u0645 \u0686\u0646\u062f \u0645\u06cc\u0648\u0647 \u0627\u0633\u062a\u060c \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n\n\n<div class=\"jet-listing-grid--50192\" style=\"\"><style><\/style><section class=\"zht-related-post\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Article\" role=\"region\"\n  aria-label=\"Related article\">\n  <div class=\"zht-related-post-section-label\">\n    \u0645\u0637\u0627\u0644\u0628 \u0645\u0631\u062a\u0628\u0637\n  <\/div>\n  <img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"204\" src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/07\/a210915e-98b9-4466-8649-b0b4065030c6-300x204.jpg.webp\" class=\"attachment-medium size-medium wp-post-image\" alt=\"\u0622\u0645\u0648\u0632\u0634 \u0633\u0627\u062e\u062a \u0645\u0627\u0634\u06cc\u0646 \u062d\u0633\u0627\u0628 \u0628\u0627 \u062c\u0627\u0648\u0627\" srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/07\/a210915e-98b9-4466-8649-b0b4065030c6-300x204.jpg.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/07\/a210915e-98b9-4466-8649-b0b4065030c6-768x522.jpg.webp 768w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/07\/a210915e-98b9-4466-8649-b0b4065030c6.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" title=\"\">\n  <a href=\"https:\/\/maktabkhooneh.org\/mag\/making-a-calculator-with-java\/\" class=\"zht-related-post-title\"\n    itemprop=\"headline\" target=\"_blank\">\u0622\u0645\u0648\u0632\u0634 \u0633\u0627\u062e\u062a \u0645\u0627\u0634\u06cc\u0646 \u062d\u0633\u0627\u0628 \u0628\u0627 \u062c\u0627\u0648\u0627 &#8211; \u0633\u0627\u062f\u0647 \u0648 \u06af\u0631\u0627\u0641\u06cc\u06a9\u06cc<\/a>\n<\/section><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u0645\u062a\u062f \u0647\u0627\u06cc string \u062f\u0631 \u062c\u0627\u0648\u0627<\/h2>\n\n\n\n<p>\u062c\u0627\u0648\u0627 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u0645\u062a\u062f\u0647\u0627 \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631 \u0628\u0627 \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0631\u062e\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0645\u062a\u062f\u0647\u0627 \u0639\u0628\u0627\u0631\u062a\u0646\u062f \u0627\u0632:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>length()\u200e<\/li>\n\n\n\n<li>charAt(int index)<\/li>\n\n\n\n<li>substring(int beginIndex, int endIndex)<\/li>\n\n\n\n<li>indexOf(String str)<\/li>\n\n\n\n<li>toUpperCase()\u200e<\/li>\n\n\n\n<li>toLowerCase()\u200e<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"1024\" height=\"810\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/07\/c23fdfb6-6dd1-43f2-8493-23f1fa458494.jpg\" alt=\"\u0645\u062a\u062f \u0647\u0627\u06cc string \u062f\u0631 \u062c\u0627\u0648\u0627\" class=\"wp-image-43884 lazyload\" title=\"\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/07\/c23fdfb6-6dd1-43f2-8493-23f1fa458494.jpg 1024w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/07\/c23fdfb6-6dd1-43f2-8493-23f1fa458494-300x237.jpg.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/07\/c23fdfb6-6dd1-43f2-8493-23f1fa458494-768x608.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\/810;\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0627\u0632 \u0645\u062a\u062f\u0647\u0627\u06cc \u0627\u0633\u062a\u0631\u06cc\u0646\u06af \u062f\u0631 \u062c\u0627\u0648\u0627<\/strong><\/h3>\n\n\n\n<p>\u062f\u0631 \u0632\u06cc\u0631 \u0628\u0631\u0627\u06cc \u0645\u062a\u062f\u0647\u0627\u06cc \u0627\u0633\u062a\u0631\u06cc\u0646\u06af \u062f\u0631 \u062c\u0627\u0648\u0627 \u0686\u0646\u062f \u0645\u062b\u0627\u0644 \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0645\u062a\u062f<\/strong><strong> length()\u200e<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u0627\u06cc\u0646 \u0645\u062a\u062f \u0637\u0648\u0644 \u0631\u0634\u062a\u0647 \u0631\u0627 \u0628\u0627\u0632\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String str = \"Java Programming\";\n\nint length = str.length(); \/\/ 16\n\n<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u0645\u062a\u062f<\/strong><strong> charAt()\u200e<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u0627\u06cc\u0646 \u0645\u062a\u062f \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u06cc\u06a9 \u0645\u0648\u0642\u0639\u06cc\u062a \u062e\u0627\u0635 \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">char ch = str.charAt(5); \/\/ 'P'<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u0645\u062a\u062f<\/strong><strong> substring()\u200e<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u0627\u06cc\u0646 \u0645\u062a\u062f \u06cc\u06a9 \u0632\u06cc\u0631\u0631\u0634\u062a\u0647 \u0627\u0632 \u0631\u0634\u062a\u0647\u200c\u06cc \u0627\u0635\u0644\u06cc \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String sub = str.substring(5, 16); \/\/ \"Programming\"<\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>\u0645\u062a\u062f<\/strong><strong> indexOf()<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u0627\u06cc\u0646 \u0645\u062a\u062f \u0645\u0648\u0642\u0639\u06cc\u062a \u0627\u0648\u0644\u06cc\u0646 \u0648\u0642\u0648\u0639 \u06cc\u06a9 \u0632\u06cc\u0631\u0631\u0634\u062a\u0647 \u0631\u0627 \u0628\u0627\u0632\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">int index = str.indexOf(\"Pro\"); \/\/ 5<\/pre>\n\n\n\n<ol start=\"5\" class=\"wp-block-list\">\n<li><strong>\u0645\u062a\u062f<\/strong><strong> toUpperCase()\u200e<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u0627\u06cc\u0646 \u0645\u062a\u062f \u062a\u0645\u0627\u0645 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627\u06cc \u0631\u0634\u062a\u0647 \u0631\u0627 \u0628\u0647 \u062d\u0631\u0648\u0641 \u0628\u0632\u0631\u06af \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String upper = str.toUpperCase(); \/\/ \"JAVA PROGRAMMING\"<\/pre>\n\n\n\n<ol start=\"6\" class=\"wp-block-list\">\n<li><strong>\u0645\u062a\u062f<\/strong><strong> toLowerCase()\u200e<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u0627\u06cc\u0646 \u0645\u062a\u062f \u0631\u0634\u062a\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627 \u062a\u0645\u0627\u0645 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627\u06cc \u0631\u0634\u062a\u0647 \u0631\u0627 \u0628\u0647 \u062d\u0631\u0648\u0641 \u06a9\u0648\u0686\u06a9 \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String lower = str.toLowerCase(); \/\/ \"java programming\"<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u0648\u0631\u0648\u062f\u06cc \u06af\u0631\u0641\u062a\u0646 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0633\u06a9\u0646\u0631<\/h3>\n\n\n\n<p>\u0628\u0631\u0627\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a \u0648\u0631\u0648\u062f\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0628\u0631\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0627\u0632 \u06a9\u0644\u0627\u0633 Scanner \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f. \u0627\u06cc\u0646 \u06a9\u0644\u0627\u0633 \u0628\u0647 \u0645\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f \u06a9\u0647 \u0648\u0631\u0648\u062f\u06cc\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u0645\u0627\u0646\u0646\u062f \u0631\u0634\u062a\u0647\u060c \u0639\u062f\u062f \u0635\u062d\u06cc\u062d\u060c \u0648 \u0639\u062f\u062f \u0627\u0639\u0634\u0627\u0631\u06cc \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0646\u06cc\u0645.<\/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                        \u06f1\u06f1\u06f2,\u06f0\u06f5\u06f0                    <\/span>\n                    <span class=\"price-currency\">\u062a\u0648\u0645\u0627\u0646<\/span>\n                <\/span>\n\n                                    <div class=\"discount-percentage\">\n                        \u06f5\u06f5%                    <\/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\u062b\u0627\u0644:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import java.util.Scanner;\n\npublic class Main {\n\npublic static void main(String[] args) {\n\nScanner scanner = new Scanner(System.in);\n\nSystem.out.println(\"Enter a string:\");\n\nString userInput = scanner.nextLine();\n\nSystem.out.println(\"You entered: \" + userInput);\n\n}\n\n}\n\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Exception handling \u062f\u0631 \u062c\u0627\u0648\u0627<\/h3>\n\n\n\n<p>\u0645\u062f\u06cc\u0631\u06cc\u062a \u0627\u0633\u062a\u062b\u0646\u0627\u0647\u0627 (Exception Handling) \u062f\u0631 \u062c\u0627\u0648\u0627 \u0628\u062e\u0634 \u0645\u0647\u0645\u06cc \u0627\u0632 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u0627\u0633\u062a. \u062c\u0627\u0648\u0627 \u062f\u0627\u0631\u0627\u06cc \u0645\u06a9\u0627\u0646\u06cc\u0632\u0645\u200c\u0647\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0627\u0633\u062a\u062b\u0646\u0627\u0647\u0627\u0633\u062a \u06a9\u0647 \u0634\u0627\u0645\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0644\u0645\u0627\u062a \u06a9\u0644\u06cc\u062f\u06cc try, catch, finally, \u0648 throw \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<p><strong>\u0645\u062b\u0627\u0644:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">try {\n\nint result = 10 \/ 0;\n\n} catch (ArithmeticException e) {\n\nSystem.out.println(\"Cannot divide by zero!\");\n\n}\n\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u06a9\u0627\u0631\u0628\u0631\u062f \u0631\u0634\u062a\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627<\/h2>\n\n\n\n<p>\u0631\u0634\u062a\u0647\u200c \u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u0632\u06cc\u0627\u062f\u06cc \u062f\u0627\u0631\u0646\u062f. \u0627\u0632 \u0646\u0645\u0627\u06cc\u0634 \u067e\u06cc\u0627\u0645\u200c\u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u06cc \u06af\u0631\u0641\u062a\u0647 \u062a\u0627 \u062a\u062d\u0644\u06cc\u0644 \u0648 \u067e\u0631\u062f\u0627\u0632\u0634 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u060c \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u06cc\u06a9\u06cc \u0627\u0632 \u0627\u062c\u0632\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u062f\u0631 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627 \u0647\u0633\u062a\u0646\u062f.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0646\u0645\u0627\u06cc\u0634 \u067e\u06cc\u0627\u0645\u200c\u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u06cc<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u06cc\u06a9\u06cc \u0627\u0632 \u0633\u0627\u062f\u0647\u200c\u062a\u0631\u06cc\u0646 \u0648 \u0631\u0627\u06cc\u062c\u200c\u062a\u0631\u06cc\u0646 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u0631\u0634\u062a\u0647\u200c \u062f\u0631 \u062c\u0627\u0648\u0627\u060c \u0646\u0645\u0627\u06cc\u0634 \u067e\u06cc\u0627\u0645\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0628\u0647 \u06a9\u0627\u0631\u0628\u0631 \u0627\u0633\u062a. \u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644\u060c \u0646\u0645\u0627\u06cc\u0634 \u067e\u06cc\u0627\u0645 \u062e\u0648\u0634\u200c\u0622\u0645\u062f\u06af\u0648\u06cc\u06cc\u060c \u062e\u0637\u0627\u0647\u0627\u060c \u0648 \u0627\u0639\u0644\u0627\u0646\u200c\u0647\u0627 \u0647\u0645\u06af\u06cc \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">System.out.println(\"Welcome to Java Programming!\");<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u067e\u0631\u062f\u0627\u0632\u0634 \u0648\u0631\u0648\u062f\u06cc \u06a9\u0627\u0631\u0628\u0631<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u0628\u0631\u0627\u06cc \u062f\u0631\u06cc\u0627\u0641\u062a \u0648 \u067e\u0631\u062f\u0627\u0632\u0634 \u0648\u0631\u0648\u062f\u06cc\u200c\u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631 \u0646\u06cc\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0644\u0627\u0633 Scanner\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0648\u0631\u0648\u062f\u06cc\u200c\u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0631\u0634\u062a\u0647 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0631\u062f \u0648 \u0633\u067e\u0633 \u0622\u0646\u200c\u0647\u0627 \u0631\u0627 \u067e\u0631\u062f\u0627\u0632\u0634 \u06a9\u0631\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Scanner scanner = new Scanner(System.in);\n\nSystem.out.println(\"Enter your name:\");\n\nString name = scanner.nextLine();\n\nSystem.out.println(\"Hello, \" + name + \"!\");\n<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u0639\u0645\u0644\u06cc\u0627\u062a\u200c\u0647\u0627\u06cc \u0645\u062a\u0646\u06cc<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u0627\u0633\u062a\u0631\u06cc\u0646\u06af \u062f\u0631 \u062c\u0627\u0648\u0627 \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0639\u0645\u0644\u06cc\u0627\u062a\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0645\u062a\u0646\u06cc \u0645\u0627\u0646\u0646\u062f \u062c\u0633\u062a\u062c\u0648\u060c \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc\u060c \u0628\u0631\u0634\u060c \u0648 \u067e\u06cc\u0648\u0633\u062a\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0645\u062a\u062f\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f substring(), indexOf(), replace()\u200e \u0648 concat()\u200e\u200f \u0628\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0645\u0646\u0638\u0648\u0631 \u0628\u0647 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u0631\u0648\u0646\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String text = \"Java Programming\";\n\nString subText = text.substring(5, 16); \/\/ \"Programming\"\n\nint position = text.indexOf(\"Pro\"); \/\/ 5\n\nString replacedText = text.replace(\"Java\", \"Kotlin\"); \/\/ \"Kotlin Programming\"\n\nString concatenatedText = text.concat(\" is fun!\"); \/\/ \"Java Programming is fun!\"\n\n<\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>\u062a\u0628\u062f\u06cc\u0644 \u062f\u0627\u062f\u0647\u200c\u0647\u0627<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0631\u0627\u0628\u0637\u06cc \u0628\u0631\u0627\u06cc \u062a\u0628\u062f\u06cc\u0644 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0628\u06cc\u0646 \u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641 \u0628\u0647 \u06a9\u0627\u0631 \u0631\u0648\u0646\u062f. \u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644\u060c \u062a\u0628\u062f\u06cc\u0644 \u0639\u062f\u062f \u0628\u0647 \u0631\u0634\u062a\u0647 \u0648 \u0628\u0627\u0644\u0639\u06a9\u0633.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">int number = 100;\n\nString numberStr = String.valueOf(number); \/\/ \"100\"\n\n\n\n\nString str = \"200\";\n\nint num = Integer.parseInt(str); \/\/ 200\n\n<\/pre>\n\n\n\n<ol start=\"5\" class=\"wp-block-list\">\n<li><strong>\u067e\u0631\u062f\u0627\u0632\u0634 \u0641\u0627\u06cc\u0644\u200c\u0647\u0627\u06cc \u0645\u062a\u0646\u06cc<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u062e\u0648\u0627\u0646\u062f\u0646 \u0648 \u0646\u0648\u0634\u062a\u0646 \u0641\u0627\u06cc\u0644\u200c\u0647\u0627\u06cc \u0645\u062a\u0646\u06cc \u06cc\u06a9\u06cc \u062f\u06cc\u06af\u0631 \u0627\u0632 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u0645\u0647\u0645 \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0633\u062a. \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc BufferedReader \u0648 BufferedWriter\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0645\u062d\u062a\u0648\u06cc\u0627\u062a \u0641\u0627\u06cc\u0644\u200c\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0631\u0634\u062a\u0647 \u067e\u0631\u062f\u0627\u0632\u0634 \u06a9\u0631\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">BufferedReader reader = new BufferedReader(new FileReader(\"input.txt\"));\n\nString line;\n\nwhile ((line = reader.readLine()) != null) {\n\nSystem.out.println(line);\n\n}\n\nreader.close();\n\n<\/pre>\n\n\n\n<ol start=\"6\" class=\"wp-block-list\">\n<li><strong>\u0627\u0631\u062a\u0628\u0627\u0637\u0627\u062a \u0634\u0628\u06a9\u0647\u200c\u0627\u06cc<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u0634\u0628\u06a9\u0647\u200c\u0627\u06cc\u060c \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0628\u0647 \u0635\u0648\u0631\u062a \u0631\u0634\u062a\u0647\u200c\u0627\u06cc \u0627\u0631\u0633\u0627\u0644 \u0648 \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644\u060c \u0627\u0631\u0633\u0627\u0644 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627\u06cc HTTP \u0648 \u062f\u0631\u06cc\u0627\u0641\u062a \u067e\u0627\u0633\u062e\u200c\u0647\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">URL url = new URL(\"http:\/\/example.com\");\n\nBufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));\n\nString inputLine;\n\nwhile ((inputLine = in.readLine()) != null) {\n\nSystem.out.println(inputLine);\n\n}\n\nin.close();\n\n<\/pre>\n\n\n\n<ol start=\"7\" class=\"wp-block-list\">\n<li><strong>\u0645\u062f\u06cc\u0631\u06cc\u062a \u0627\u0633\u062a\u062b\u0646\u0627\u0647\u0627<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u062f\u0631 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0627\u0633\u062a\u062b\u0646\u0627\u0647\u0627 (Exception Handling)\u060c \u067e\u06cc\u0627\u0645\u200c\u0647\u0627\u06cc \u062e\u0637\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0631\u0634\u062a\u0647 \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u0648 \u0628\u0647 \u06a9\u0627\u0631\u0628\u0631 \u0646\u0645\u0627\u06cc\u0634 \u062f\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">try {\n\nint result = 10 \/ 0;\n\n} catch (ArithmeticException e) {\n\nSystem.out.println(\"Error: \" + e.getMessage());\n\n}\n\n<\/pre>\n\n\n\n<ol start=\"8\" class=\"wp-block-list\">\n<li><strong>\u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0627 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u060c \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0648\u0626\u0631\u06cc\u200c\u0647\u0627 \u0648 \u067e\u0631\u062f\u0627\u0632\u0634 \u0646\u062a\u0627\u06cc\u062c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 JDBC\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u06a9\u0648\u0626\u0631\u06cc\u200c\u0647\u0627\u06cc SQL \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0631\u0634\u062a\u0647 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0631\u062f \u0648 \u0627\u062c\u0631\u0627 \u0646\u0645\u0648\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String query = \"SELECT * FROM users WHERE username = 'admin'\";\n\nStatement stmt = connection.createStatement();\n\nResultSet rs = stmt.executeQuery(query);\n\nwhile (rs.next()) {\n\nSystem.out.println(\"User ID: \" + rs.getInt(\"id\"));\n\n}\n\nrs.close();\n\nstmt.close();\n\n<\/pre>\n\n\n\n<ol start=\"9\" class=\"wp-block-list\">\n<li><strong>\u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u062f\u0627\u062f\u0647\u200c\u0647\u0627<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u062f\u0631 \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0646\u06cc\u0632 \u0646\u0642\u0634 \u0645\u0647\u0645\u06cc \u062f\u0627\u0631\u0646\u062f. \u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f split()\u060c \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u06cc\u06a9 \u062c\u062f\u0627\u06a9\u0646\u0646\u062f\u0647 \u062e\u0627\u0635 \u0628\u0647 \u0686\u0646\u062f \u0628\u062e\u0634 \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0631\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String data = \"apple,banana,cherry\";\n\nString[] fruits = data.split(\",\");\n\nfor (String fruit : fruits) {\n\nSystem.out.println(fruit);\n\n}\n\n<\/pre>\n\n\n\n<ol start=\"10\" class=\"wp-block-list\">\n<li><strong>\u0627\u06cc\u062c\u0627\u062f \u0642\u0627\u0644\u0628\u200c\u0647\u0627\u06cc \u062e\u0631\u0648\u062c\u06cc<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u0631\u0634\u062a\u0647 \u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0642\u0627\u0644\u0628\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u062e\u0631\u0648\u062c\u06cc \u0645\u0627\u0646\u0646\u062f \u06af\u0632\u0627\u0631\u0634\u200c\u0647\u0627\u060c \u0641\u0627\u06a9\u062a\u0648\u0631\u0647\u0627\u060c \u0648 \u0627\u06cc\u0645\u06cc\u0644\u200c\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f String.format()\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0642\u0627\u0644\u0628\u200c\u0647\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647\u200c\u062a\u0631\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String template = \"Hello %s, your balance is $%.2f\";\n\nString message = String.format(template, \"John\", 1234.56);\n\nSystem.out.println(message); \/\/ \"Hello John, your balance is $1234.56\"\n\n<\/pre>\n\n\n\n<p>\u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u0627\u0628\u0632\u0627\u0631\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0648 \u067e\u0631\u06a9\u0627\u0631\u0628\u0631\u062f \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u062f\u0631 \u0628\u062e\u0634\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u0627\u0632 \u062c\u0645\u0644\u0647 \u0646\u0645\u0627\u06cc\u0634 \u067e\u06cc\u0627\u0645\u200c\u0647\u0627\u060c \u067e\u0631\u062f\u0627\u0632\u0634 \u0648\u0631\u0648\u062f\u06cc\u200c\u0647\u0627\u060c \u0639\u0645\u0644\u06cc\u0627\u062a\u200c\u0647\u0627\u06cc \u0645\u062a\u0646\u06cc\u060c \u062a\u0628\u062f\u06cc\u0644 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u060c \u0645\u062f\u06cc\u0631\u06cc\u062a \u0641\u0627\u06cc\u0644\u200c\u0647\u0627\u060c \u0627\u0631\u062a\u0628\u0627\u0637\u0627\u062a \u0634\u0628\u06a9\u0647\u200c\u0627\u06cc\u060c \u0645\u062f\u06cc\u0631\u06cc\u062a \u0627\u0633\u062a\u062b\u0646\u0627\u0647\u0627\u060c \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0627 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647\u060c \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u060c \u0648 \u0627\u06cc\u062c\u0627\u062f \u0642\u0627\u0644\u0628\u200c\u0647\u0627\u06cc \u062e\u0631\u0648\u062c\u06cc \u0628\u0647 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u0631\u0648\u0646\u062f. \u062a\u0633\u0644\u0637 \u0628\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u0648 \u0645\u062a\u062f\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0622\u0646\u200c\u0647\u0627 \u0628\u0647 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u0627\u0646 \u06a9\u0645\u06a9 \u0645\u06cc\u200c\u06a9\u0646\u062f \u062a\u0627 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u0628\u0647\u06cc\u0646\u0647\u200c\u062a\u0631 \u0648 \u0645\u0648\u062b\u0631\u062a\u0631 \u0628\u0646\u0648\u06cc\u0633\u0646\u062f.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"1024\" height=\"684\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/07\/fb952582-6932-47bf-bf4f-58087378ff5c.jpg\" alt=\"\u06a9\u0627\u0631\u0628\u0631\u062f \u0631\u0634\u062a\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627\" class=\"wp-image-43885 lazyload\" title=\"\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/07\/fb952582-6932-47bf-bf4f-58087378ff5c.jpg 1024w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/07\/fb952582-6932-47bf-bf4f-58087378ff5c-300x200.jpg.webp 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/07\/fb952582-6932-47bf-bf4f-58087378ff5c-768x513.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\/684;\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u062a\u0628\u062f\u06cc\u0644 \u0631\u0634\u062a\u0647 \u0628\u0647 \u0639\u062f\u062f \u062f\u0631 \u062c\u0627\u0648\u0627<\/h3>\n\n\n\n<p>\u06af\u0627\u0647\u06cc \u0646\u06cc\u0627\u0632 \u0627\u0633\u062a \u06a9\u0647 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0628\u0647 \u06cc\u06a9 \u0639\u062f\u062f \u062a\u0628\u062f\u06cc\u0644 \u0634\u0648\u062f. \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f\u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc Integer \u0648 Double \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String number = \"123\";\n\nint intValue = Integer.parseInt(number);\n\ndouble doubleValue = Double.parseDouble(number);\n\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u062a\u0628\u062f\u06cc\u0644 \u0639\u062f\u062f \u0628\u0647 \u0631\u0634\u062a\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627<\/h3>\n\n\n\n<p>\u062a\u0628\u062f\u06cc\u0644 \u06cc\u06a9 \u0639\u062f\u062f \u0628\u0647 \u0631\u0634\u062a\u0647 \u0646\u06cc\u0632 \u0628\u0633\u06cc\u0627\u0631 \u0633\u0627\u062f\u0647 \u0627\u0633\u062a \u0648 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f valueOf \u06cc\u0627 toString \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">int number = 123;\n\nString strValue = String.valueOf(number);\n\nString strValue2 = Integer.toString(number);\n\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u067e\u06cc\u0648\u0633\u062a\u0646 \u0631\u0634\u062a\u0647\u200c \u0647\u0627 \u062f\u0631 Java<\/h3>\n\n\n\n<p>\u067e\u06cc\u0648\u0633\u062a\u0646 \u0631\u0634\u062a\u0647\u200c\u0647\u0627 (Concatenation) \u06cc\u06a9\u06cc \u0627\u0632 \u0639\u0645\u0644\u06cc\u0627\u062a\u200c\u0647\u0627\u06cc \u0631\u0627\u06cc\u062c \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0639\u0645\u0644\u06af\u0631 + \u06cc\u0627 \u0645\u062a\u062f concat \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String str1 = \"Hello\";\n\nString str2 = \"World\";\n\nString result = str1 + \" \" + str2; \/\/ \"Hello World\"\n\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u0628\u0631\u0631\u0633\u06cc \u062a\u0633\u0627\u0648\u06cc \u0631\u0634\u062a\u0647\u200c \u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627<\/h3>\n\n\n\n<p>\u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u062a\u0633\u0627\u0648\u06cc \u0631\u0634\u062a\u0647 \u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627\u060c \u0627\u0632 \u0645\u062a\u062f equals \u06cc\u0627 equalsIgnoreCase \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">String str1 = \"Java\";\n\nString str2 = \"java\";\n\n\n\n\nboolean isEqual = str1.equals(str2); \/\/ false\n\nboolean isEqualIgnoreCase = str1.equalsIgnoreCase(str2); \/\/ true\n\n<\/pre>\n\n\n\n<p>\u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u062a\u063a\u06cc\u06cc\u0631\u0646\u0627\u067e\u0630\u06cc\u0631 (immutable) \u0647\u0633\u062a\u0646\u062f\u060c \u06cc\u0639\u0646\u06cc \u067e\u0633 \u0627\u0632 \u0627\u06cc\u062c\u0627\u062f \u0646\u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0646\u0646\u062f. \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0639\u0645\u0644\u06cc\u0627\u062a\u200c\u0647\u0627\u06cc \u0631\u0634\u062a\u0647\u200c\u0627\u06cc \u0633\u0646\u06af\u06cc\u0646\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc StringBuilder \u06cc\u0627 StringBuffer \u067e\u06cc\u0634\u0646\u0647\u0627\u062f \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n<div class=\"jet-listing-grid--50192\" style=\"\"><section class=\"zht-related-post\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Article\" role=\"region\"\n  aria-label=\"Related article\">\n  <div class=\"zht-related-post-section-label\">\n    \u0645\u0637\u0627\u0644\u0628 \u0645\u0631\u062a\u0628\u0637\n  <\/div>\n  <img decoding=\"async\" width=\"300\" height=\"177\" data-src=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/07\/1e569f91-6ce4-468f-ae00-9768fa8eb483-300x177.jpg\" class=\"attachment-medium size-medium wp-post-image lazyload\" alt=\"\u0646\u0648\u0639 Void \u062f\u0631 \u062c\u0627\u0648\u0627\" data-srcset=\"https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/07\/1e569f91-6ce4-468f-ae00-9768fa8eb483-300x177.jpg 300w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/smush-webp\/2024\/07\/1e569f91-6ce4-468f-ae00-9768fa8eb483-768x453.jpg.webp 768w, https:\/\/maktabkhooneh.org\/mag\/wp-content\/uploads\/2024\/07\/1e569f91-6ce4-468f-ae00-9768fa8eb483.jpg 1024w\" data-sizes=\"(max-width: 300px) 100vw, 300px\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300\/177;\">\n  <a href=\"https:\/\/maktabkhooneh.org\/mag\/the-void-type-in-java\/\" class=\"zht-related-post-title\"\n    itemprop=\"headline\" target=\"_blank\">\u0646\u0648\u0639 Void \u062f\u0631 \u062c\u0627\u0648\u0627: \u0647\u0645\u0647 \u0686\u06cc\u0632\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0627\u06cc\u062f \u0628\u062f\u0627\u0646\u06cc\u062f<\/a>\n<\/section><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u0633\u0648\u0627\u0644\u0627\u062a \u0645\u062a\u062f\u0627\u0648\u0644 \u062f\u0631 \u0631\u0627\u0628\u0637\u0647 \u0628\u0627 \u0631\u0634\u062a\u0647 \u0647\u0627 \u062f\u0631 Java<\/h2>\n\n\n\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0628\u062e\u0634 \u0686\u0646\u062f \u0633\u0648\u0627\u0644 \u0645\u062a\u062f\u0627\u0648\u0644 \u062f\u0631 \u0631\u0627\u0628\u0637\u0647 \u0628\u0627 \u0627\u0633\u062a\u0631\u06cc\u0646\u06af \u062f\u0631 \u062c\u0627\u0648\u0627 \u0622\u0648\u0631\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\/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                        \u06f1\u06f3\u06f9,\u06f3\u06f0\u06f0                    <\/span>\n                    <span class=\"price-currency\">\u062a\u0648\u0645\u0627\u0646<\/span>\n                <\/span>\n\n                                    <div class=\"discount-percentage\">\n                        \u06f3\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>\u0627\u0633\u062a\u0631\u06cc\u0646\u06af \u062f\u0631 \u062c\u0627\u0648\u0627 \u0686\u06cc\u0633\u062a\u061f<\/strong><\/p>\n\n\n\n<p>\u0631\u0634\u062a\u0647 \u062f\u0631 \u062c\u0627\u0648\u0627 \u06cc\u06a9 \u0634\u06cc \u0627\u0632 \u06a9\u0644\u0627\u0633 String \u0627\u0633\u062a \u06a9\u0647 \u062f\u0646\u0628\u0627\u0644\u0647\u200c\u0627\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631\u0647\u0627 \u0631\u0627 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<p><strong>\u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0631\u0627 \u0628\u0647 \u0639\u062f\u062f \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0631\u062f\u061f<\/strong><\/p>\n\n\n\n<p>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f\u0647\u0627\u06cc parseInt \u0648 parseDouble \u0627\u0632 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc Integer \u0648 Double.<\/p>\n\n\n\n<p><strong>\u0628\u0647\u062a\u0631\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u062a\u0633\u0627\u0648\u06cc \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u0686\u06cc\u0633\u062a\u061f<\/strong><\/p>\n\n\n\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f equals \u06cc\u0627 equalsIgnoreCase.<\/p>\n\n\n\n<p><strong>\u0686\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0631\u0627 \u0628\u0647 \u062d\u0631\u0648\u0641 \u0628\u0632\u0631\u06af \u06cc\u0627 \u06a9\u0648\u0686\u06a9 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0631\u062f\u061f<\/strong><\/p>\n\n\n\n<p>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f\u0647\u0627\u06cc toUpperCase \u0648 toLowerCase.<\/p>\n\n\n\n<p><strong>\u0686\u0631\u0627 \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u062a\u063a\u06cc\u06cc\u0631\u0646\u0627\u067e\u0630\u06cc\u0631 \u0647\u0633\u062a\u0646\u062f\u061f<\/strong><\/p>\n\n\n\n<p>\u062a\u063a\u06cc\u06cc\u0631\u0646\u0627\u067e\u0630\u06cc\u0631\u06cc \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u0628\u0627\u0639\u062b \u0627\u0641\u0632\u0627\u06cc\u0634 \u0627\u0645\u0646\u06cc\u062a \u0648 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0632\u06cc\u0631\u0627 \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647 \u0628\u0647 \u0627\u0634\u062a\u0631\u0627\u06a9 \u06af\u0630\u0627\u0634\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u0648 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u062c\u0645\u0639\u200c\u0628\u0646\u062f\u06cc<\/h2>\n\n\n\n<p>\u0631\u0634\u062a\u0647 \u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u06cc\u06a9\u06cc \u0627\u0632 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u0648 \u0636\u0631\u0648\u0631\u06cc \u0628\u0631\u0627\u06cc \u0647\u0631 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633 \u0647\u0633\u062a\u0646\u062f. \u0628\u0627 \u062f\u0631\u06a9 \u0648 \u062a\u0633\u0644\u0637 \u0628\u0631 \u0645\u062a\u062f\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u06a9\u0627\u0631 \u0628\u0627 \u0631\u0634\u062a\u0647\u200c\u0647\u0627\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u0628\u0647\u06cc\u0646\u0647\u200c\u062a\u0631 \u0648 \u0645\u0648\u062b\u0631\u062a\u0631 \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f. \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0644\u0627\u0633\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0648\u0631\u0648\u062f\u06cc\u200c\u0647\u0627 \u0648 \u0627\u0633\u062a\u062b\u0646\u0627\u0647\u0627 \u0646\u06cc\u0632 \u0628\u062e\u0634 \u0645\u0647\u0645\u06cc \u0627\u0632 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u062d\u0631\u0641\u0647\u200c\u0627\u06cc \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\/spring-boot-logo-png-4-transparent1\/6fc629b2885b8981e1f37d987a41ee23.webp?expire=4893471932&#038;token=0b2b1b540a5aef0e8508c69dd60b9e49&#038;md5=CysbVApa7w6FCMad1gueSQ==\" \n            alt=\"\u0622\u0645\u0648\u0632\u0634 \u0627\u0633\u067e\u0631\u06cc\u0646\u06af \u0628\u0648\u062a \u062f\u0631 \u0639\u0645\u0644 (\u0628\u0627 \u0631\u0648\u06cc\u06a9\u0631\u062f blocking)\" \n            title=\"\u0622\u0645\u0648\u0632\u0634 \u0627\u0633\u067e\u0631\u06cc\u0646\u06af \u0628\u0648\u062a \u062f\u0631 \u0639\u0645\u0644 (\u0628\u0627 \u0631\u0648\u06cc\u06a9\u0631\u062f blocking)\" \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%A7%D8%B3%D9%BE%D8%B1%DB%8C%D9%86%DA%AF-%D8%A8%D9%88%D8%AA-%D8%B9%D9%85%D9%84-%D8%B1%D9%88%DB%8C%DA%A9%D8%B1%D8%AF-blocking-mk5848\/\" class=\"course-title\" target=\"_blank\" rel=\"noopener noreferrer\">\n            \u0622\u0645\u0648\u0632\u0634 \u0627\u0633\u067e\u0631\u06cc\u0646\u06af \u0628\u0648\u062a \u062f\u0631 \u0639\u0645\u0644 (\u0628\u0627 \u0631\u0648\u06cc\u06a9\u0631\u062f blocking)        <\/a>\n\n        <div class=\"course-price\">\n            \n                <span class=\"real-price\">\n                                            \u06f1,\u06f9\u06f9\u06f9,\u06f0\u06f0\u06f0                                    <\/span>\n\n                <span>\n                    <span class=\"discounted-price\">\n                        \u06f5\u06f9\u06f9,\u06f7\u06f0\u06f0                    <\/span>\n                    <span class=\"price-currency\">\u062a\u0648\u0645\u0627\u0646<\/span>\n                <\/span>\n\n                                    <div class=\"discount-percentage\">\n                        \u06f7\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%A7%D8%B3%D9%BE%D8%B1%DB%8C%D9%86%DA%AF-%D8%A8%D9%88%D8%AA-%D8%B9%D9%85%D9%84-%D8%B1%D9%88%DB%8C%DA%A9%D8%B1%D8%AF-blocking-mk5848\/\">\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>\u0622\u06cc\u0627 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u0645\u0647\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0633\u0637\u062d \u0628\u0639\u062f\u06cc \u0628\u0628\u0631\u06cc\u062f\u061f \u0647\u0645\u06cc\u0646 \u0627\u0645\u0631\u0648\u0632 \u062f\u0631 \u062f\u0648\u0631\u0647\u200c\u0647\u0627\u06cc <a href=\"https:\/\/maktabkhooneh.org\/learn\/java\/\">\u0622\u0645\u0648\u0632\u0634 \u062c\u0627\u0648\u0627<\/a> \u0648 <a href=\"https:\/\/maktabkhooneh.org\/learn\/programming\/\">\u0622\u0645\u0648\u0632\u0634 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc<\/a> \u062f\u0631 \u0645\u06a9\u062a\u0628\u200c\u062e\u0648\u0646\u0647 \u062b\u0628\u062a\u200c\u0646\u0627\u0645 \u06a9\u0646\u06cc\u062f! \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062a\u062f\u0647\u0627\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u0648 \u067e\u0631\u0648\u0698\u0647\u200c\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u062a\u0648\u0627\u0646\u0627\u06cc\u06cc\u200c\u0647\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 \u06cc\u06a9\u06cc \u0627\u0632 \u067e\u0631\u0637\u0631\u0641\u062f\u0627\u0631\u062a\u0631\u06cc\u0646 \u0632\u0628\u0627\u0646\u200c\u0647\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u062a\u0642\u0648\u06cc\u062a \u06a9\u0646\u06cc\u062f. \u0641\u0631\u0635\u062a \u0631\u0627 \u0627\u0632 \u062f\u0633\u062a \u0646\u062f\u0647\u06cc\u062f \u0648 \u0642\u062f\u0645\u06cc \u0628\u0632\u0631\u06af \u0628\u0647 \u0633\u0648\u06cc \u0622\u06cc\u0646\u062f\u0647\u200c\u0627\u06cc \u0631\u0648\u0634\u0646 \u062f\u0631 \u062f\u0646\u06cc\u0627\u06cc \u0641\u0646\u0627\u0648\u0631\u06cc \u0628\u0631\u062f\u0627\u0631\u06cc\u062f.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0631\u0634\u062a\u0647 \u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0648\u0636\u0648\u0639\u0627\u062a \u0627\u0633\u0627\u0633\u06cc \u0648 \u067e\u0631\u06a9\u0627\u0631\u0628\u0631\u062f \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0646\u0648\u06cc\u0633\u06cc \u0647\u0633\u062a\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0637\u0644\u0628 \u0622\u0645\u0648\u0632\u0634\u06cc \u0627\u0632 \u0645\u062c\u0644\u0647 \u0645\u06a9\u062a\u0648\u0628\u060c \u0628\u0647 \u0628\u0631\u0631\u0633\u06cc \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u0622\u0646\u200c\u0647\u0627 \u062f\u0631 \u0632\u0628\u0627\u0646 \u062c\u0627\u0648\u0627 \u0645\u06cc\u200c\u067e\u0631\u062f\u0627\u0632\u06cc\u0645. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0647 \u0645\u062a\u062f\u0647\u0627\u06cc \u0645\u062a\u0646\u0648\u0639\u06cc \u06a9\u0647 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631 \u0628\u0627 \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u0646\u062f \u0648 \u0646\u062d\u0648\u0647\u200c\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646\u200c\u0647\u0627 \u0627\u0634\u0627\u0631\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f. \u0627\u06af\u0631 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u062f\u0631\u0628\u0627\u0631\u0647\u200c\u06cc \u0631\u0634\u062a\u0647\u200c\u0647\u0627 \u062f\u0631 \u062c\u0627\u0648\u0627 [&hellip;]<\/p>\n","protected":false},"author":28,"featured_media":43886,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,15],"tags":[],"class_list":["post-43883","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\/43883","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=43883"}],"version-history":[{"count":4,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts\/43883\/revisions"}],"predecessor-version":[{"id":65255,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/posts\/43883\/revisions\/65255"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/media\/43886"}],"wp:attachment":[{"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/media?parent=43883"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/categories?post=43883"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/maktabkhooneh.org\/mag\/wp-json\/wp\/v2\/tags?post=43883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}