{"id":13,"date":"2024-03-18T21:10:39","date_gmt":"2024-03-18T21:10:39","guid":{"rendered":"https:\/\/logicnextgen.in\/?page_id=13"},"modified":"2026-06-03T20:14:04","modified_gmt":"2026-06-03T20:14:04","slug":"java-tutorial","status":"publish","type":"page","link":"https:\/\/logicnextgen.com\/tutorials\/java-tutorial\/","title":{"rendered":"Java Tutorial"},"content":{"rendered":"\n<p class=\"has-text-color has-link-color has-medium-font-size wp-elements-d8d430a65f532e5daa5f3544b976f9f1 wp-block-paragraph\" style=\"color:#ff8d00\"><strong> Java Programming Tutorial \u2013 Learn Java from Scratch<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-text-color has-link-color wp-elements-702dcd3a9425a875b4456611dbbbc751\" style=\"color:#ff8d00\"><strong><a href=\"#Introduction-to-Java\" data-type=\"internal\" data-id=\"#Introduction-to-Java\">Tutorial 1: Introduction to Java<\/a><\/strong><\/li>\n\n\n\n<li class=\"has-text-color has-link-color wp-elements-91f26a8fea78e9417728c5fc91d86fcd\" style=\"color:#ff8d00\"><strong><a href=\"#Features-of-Java\" data-type=\"internal\" data-id=\"#Features-of-Java\">Tutorial 2: Features of Java<\/a><\/strong><\/li>\n\n\n\n<li class=\"has-text-color has-link-color wp-elements-49aab04476b7fb0e4a000cb0bdf859e3\" style=\"color:#ff8d00\"><strong><a href=\"#Hello-World-Program\" data-type=\"internal\" data-id=\"#Hello-World-Program\">Tutorial 3: Hello World Program<\/a><\/strong><\/li>\n\n\n\n<li class=\"has-text-color has-link-color wp-elements-87f52636e8c72dcec7e702648d3fbae7\" style=\"color:#ff8d00\"><strong><a href=\"#Java-Comments\">Tutorial 4: Java Comments<\/a><\/strong><\/li>\n\n\n\n<li class=\"has-text-color has-link-color wp-elements-a3fe8a71146ea137dccdd8f9c7ef748f\" style=\"color:#ff8d00\"><strong><a href=\"#Variables-in-Java\" data-type=\"internal\" data-id=\"#Variables-in-Java\">Tutorial 5: Variables in Java<\/a><\/strong><\/li>\n\n\n\n<li class=\"has-text-color has-link-color wp-elements-caa82622cf2cd72cd28b0d80880f771c\" style=\"color:#ff8d00\"><strong><a href=\"#Data-Types-in-Java\" data-type=\"internal\" data-id=\"#Data-Types-in-Java\">Tutorial 6: DataTypes in Java<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 id=\"Introduction-to-Java\" class=\"wp-block-heading has-large-font-size\"><strong><strong>Tutorial 1: Introduction to Java<\/strong><\/strong><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Java is a high-level, object-oriented programming language developed by Sun Microsystems. It was initiated by James Gosling and officially released in 1995 as a core component of the Java platform.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Java is widely used for developing:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Desktop applications<\/li>\n\n\n\n<li>Web applications<\/li>\n\n\n\n<li>Mobile applications<\/li>\n\n\n\n<li>Enterprise software<\/li>\n\n\n\n<li>Cloud-based systems<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 id=\"Features-of-Java\" class=\"wp-block-heading has-large-font-size\"><strong>Tutorial 2: Features of Java<\/strong><\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Object-Oriented Programming (OOP)<\/li>\n\n\n\n<li>Platform Independence<\/li>\n\n\n\n<li>Robust and Secure<\/li>\n\n\n\n<li>Multithreading and Concurrency<\/li>\n\n\n\n<li>Rich API and Standard Libraries<\/li>\n\n\n\n<li>Framework Support<\/li>\n\n\n\n<li>Open-Source Libraries<\/li>\n\n\n\n<li>Maintainability and Scalability<\/li>\n\n\n\n<li>High Performance<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 id=\"Hello-World-Program\" class=\"wp-block-heading has-large-font-size\"><strong>Tutorial 3: Hello World Program<\/strong><\/h1>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#282A36\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#F8F8F2;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>public class Main {\n  public static void main(String[] args) {\n    System.out.println(\"Hello World\");\n  }\n}<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dracula\" style=\"background-color: #282A36\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #F8F8F2\">public <\/span><span style=\"color: #FF79C6\">class<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #8BE9FD\">Main<\/span><span style=\"color: #F8F8F2\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">  <\/span><span style=\"color: #FF79C6\">public<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #FF79C6\">static<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #FF79C6\">void<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #50FA7B\">main<\/span><span style=\"color: #F8F8F2\">(<\/span><span style=\"color: #FFB86C; font-style: italic\">String<\/span><span style=\"color: #F8F8F2\">[] <\/span><span style=\"color: #FFB86C; font-style: italic\">args<\/span><span style=\"color: #F8F8F2\">) {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">    System.out.<\/span><span style=\"color: #50FA7B\">println<\/span><span style=\"color: #F8F8F2\">(<\/span><span style=\"color: #E9F284\">&quot;<\/span><span style=\"color: #F1FA8C\">Hello World<\/span><span style=\"color: #E9F284\">&quot;<\/span><span style=\"color: #F8F8F2\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">  }<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 id=\"Java-Comments\" class=\"wp-block-heading has-large-font-size\"><strong><strong>Tutorial 4: Java Comments<\/strong><\/strong><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Comments can be used to explain Java code and to make it more readable. It can also be used to prevent execution when testing alternative code.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Single-line comments<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#282A36\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#F8F8F2;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>public class Main {\n  public static void main(String[] args) {\n    \/\/ This is a comment - Single-line Comments\n    System.out.println(\"Hello World\");\n  }\n}\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dracula\" style=\"background-color: #282A36\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #F8F8F2\">public <\/span><span style=\"color: #FF79C6\">class<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #8BE9FD\">Main<\/span><span style=\"color: #F8F8F2\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">  <\/span><span style=\"color: #FF79C6\">public<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #FF79C6\">static<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #FF79C6\">void<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #50FA7B\">main<\/span><span style=\"color: #F8F8F2\">(<\/span><span style=\"color: #FFB86C; font-style: italic\">String<\/span><span style=\"color: #F8F8F2\">[] <\/span><span style=\"color: #FFB86C; font-style: italic\">args<\/span><span style=\"color: #F8F8F2\">) {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">    <\/span><span style=\"color: #6272A4\">\/\/ This is a comment - Single-line Comments<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">    System.out.<\/span><span style=\"color: #50FA7B\">println<\/span><span style=\"color: #F8F8F2\">(<\/span><span style=\"color: #E9F284\">&quot;<\/span><span style=\"color: #F1FA8C\">Hello World<\/span><span style=\"color: #E9F284\">&quot;<\/span><span style=\"color: #F8F8F2\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">  }<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">}<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Multi-line comments<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#282A36\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#F8F8F2;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>public class Main {\n  public static void main(String[] args) {\n    \/* \n    Java Multi-line Comments\n    System.out.println(\"Hello 1\");\n    System.out.println(\"Hello 2\");\n    \n    *\/\n    System.out.println(\"Hello World\");\n  }\n}\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dracula\" style=\"background-color: #282A36\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #F8F8F2\">public <\/span><span style=\"color: #FF79C6\">class<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #8BE9FD\">Main<\/span><span style=\"color: #F8F8F2\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">  <\/span><span style=\"color: #FF79C6\">public<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #FF79C6\">static<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #FF79C6\">void<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #50FA7B\">main<\/span><span style=\"color: #F8F8F2\">(<\/span><span style=\"color: #FFB86C; font-style: italic\">String<\/span><span style=\"color: #F8F8F2\">[] <\/span><span style=\"color: #FFB86C; font-style: italic\">args<\/span><span style=\"color: #F8F8F2\">) {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">    <\/span><span style=\"color: #6272A4\">\/* <\/span><\/span>\n<span class=\"line\"><span style=\"color: #6272A4\">    Java Multi-line Comments<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6272A4\">    System.out.println(&quot;Hello 1&quot;);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6272A4\">    System.out.println(&quot;Hello 2&quot;);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6272A4\">    <\/span><\/span>\n<span class=\"line\"><span style=\"color: #6272A4\">    *\/<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">    System.out.<\/span><span style=\"color: #50FA7B\">println<\/span><span style=\"color: #F8F8F2\">(<\/span><span style=\"color: #E9F284\">&quot;<\/span><span style=\"color: #F1FA8C\">Hello World<\/span><span style=\"color: #E9F284\">&quot;<\/span><span style=\"color: #F8F8F2\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">  }<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">}<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 id=\"Variables-in-Java\" class=\"wp-block-heading has-large-font-size\"><strong><strong>Tutorial 5: <\/strong>Variables in Java<\/strong><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Variables are used to store data in a program.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In Java, a variable is a container that holds values during program execution.<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#282A36\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#F8F8F2;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>dataType variableName = value;\n\nint age = 25;\nString name = \"John\";\ndouble salary = 45000.50;<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dracula\" style=\"background-color: #282A36\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #F8F8F2\">dataType variableName <\/span><span style=\"color: #FF79C6\">=<\/span><span style=\"color: #F8F8F2\"> value;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">int age <\/span><span style=\"color: #FF79C6\">=<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #BD93F9\">25<\/span><span style=\"color: #F8F8F2\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">String name <\/span><span style=\"color: #FF79C6\">=<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #E9F284\">&quot;<\/span><span style=\"color: #F1FA8C\">John<\/span><span style=\"color: #E9F284\">&quot;<\/span><span style=\"color: #F8F8F2\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">double salary <\/span><span style=\"color: #FF79C6\">=<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #BD93F9\">45000.50<\/span><span style=\"color: #F8F8F2\">;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h1 class=\"wp-block-heading has-medium-font-size\"><strong>Rules for Naming Variables<\/strong><\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Variable names should start with a letter, <code>$<\/code>, or <code>_<\/code><\/li>\n\n\n\n<li>Cannot start with a number<\/li>\n\n\n\n<li>Cannot use Java keywords<\/li>\n\n\n\n<li>Use meaningful names<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#282A36\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#F8F8F2;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>public class VariablesDemo {\n\n    public static void main(String[] args) {\n\n        int age = 25;\n        String name = \"Kapoor\";\n\n        System.out.println(age);\n        System.out.println(name);\n    }\n}<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dracula\" style=\"background-color: #282A36\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #F8F8F2\">public <\/span><span style=\"color: #FF79C6\">class<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #8BE9FD\">VariablesDemo<\/span><span style=\"color: #F8F8F2\"> {<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">    <\/span><span style=\"color: #FF79C6\">public<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #FF79C6\">static<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #FF79C6\">void<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #50FA7B\">main<\/span><span style=\"color: #F8F8F2\">(<\/span><span style=\"color: #FFB86C; font-style: italic\">String<\/span><span style=\"color: #F8F8F2\">[] <\/span><span style=\"color: #FFB86C; font-style: italic\">args<\/span><span style=\"color: #F8F8F2\">) {<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">        int age <\/span><span style=\"color: #FF79C6\">=<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #BD93F9\">25<\/span><span style=\"color: #F8F8F2\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">        String name <\/span><span style=\"color: #FF79C6\">=<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #E9F284\">&quot;<\/span><span style=\"color: #F1FA8C\">Kapoor<\/span><span style=\"color: #E9F284\">&quot;<\/span><span style=\"color: #F8F8F2\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">        System.out.<\/span><span style=\"color: #50FA7B\">println<\/span><span style=\"color: #F8F8F2\">(age);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">        System.out.<\/span><span style=\"color: #50FA7B\">println<\/span><span style=\"color: #F8F8F2\">(name);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">    }<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 id=\"Data-Types-in-Java\" class=\"wp-block-heading has-large-font-size\"><strong><strong>Tutorial 6: Data Types in Java<\/strong><\/strong><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Data types define the type of data a variable can store in Java.<\/p>\n\n\n\n<h1 class=\"wp-block-heading has-medium-font-size\"><strong>Types of Data Types in Java<\/strong><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Java data types are divided into:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Primitive Data Types<\/li>\n\n\n\n<li>Non-Primitive Data Types<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Data Type<\/th><th>Size<\/th><th>Example<\/th><\/tr><\/thead><tbody><tr><td>byte<\/td><td>1 byte<\/td><td>10<\/td><\/tr><tr><td>short<\/td><td>2 bytes<\/td><td>100<\/td><\/tr><tr><td>int<\/td><td>4 bytes<\/td><td>5000<\/td><\/tr><tr><td>long<\/td><td>8 bytes<\/td><td>100000L<\/td><\/tr><tr><td>float<\/td><td>4 bytes<\/td><td>10.5f<\/td><\/tr><tr><td>double<\/td><td>8 bytes<\/td><td>20.99<\/td><\/tr><tr><td>char<\/td><td>2 bytes<\/td><td>&#8216;A&#8217;<\/td><\/tr><tr><td>boolean<\/td><td>1 bit<\/td><td>true<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#282A36\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#F8F8F2;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>int age = 25;\ndouble salary = 45000.50;\nchar grade = 'A';\nboolean status = true;<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dracula\" style=\"background-color: #282A36\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #F8F8F2\">int age <\/span><span style=\"color: #FF79C6\">=<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #BD93F9\">25<\/span><span style=\"color: #F8F8F2\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">double salary <\/span><span style=\"color: #FF79C6\">=<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #BD93F9\">45000.50<\/span><span style=\"color: #F8F8F2\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">char grade <\/span><span style=\"color: #FF79C6\">=<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #E9F284\">&#39;<\/span><span style=\"color: #F1FA8C\">A<\/span><span style=\"color: #E9F284\">&#39;<\/span><span style=\"color: #F8F8F2\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">boolean status <\/span><span style=\"color: #FF79C6\">=<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #BD93F9\">true<\/span><span style=\"color: #F8F8F2\">;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h1 class=\"wp-block-heading has-medium-font-size\"><strong>2. Non-Primitive Data Types<\/strong><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Non-primitive data types store references to objects.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Examples:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>String<\/li>\n\n\n\n<li>Array<\/li>\n\n\n\n<li>Class<\/li>\n\n\n\n<li>Interface<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#282A36\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#F8F8F2;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>String name = \"Java\";\nint[] numbers = {1, 2, 3};<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dracula\" style=\"background-color: #282A36\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #F8F8F2\">String name <\/span><span style=\"color: #FF79C6\">=<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #E9F284\">&quot;<\/span><span style=\"color: #F1FA8C\">Java<\/span><span style=\"color: #E9F284\">&quot;<\/span><span style=\"color: #F8F8F2\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">int[] numbers <\/span><span style=\"color: #FF79C6\">=<\/span><span style=\"color: #F8F8F2\"> {<\/span><span style=\"color: #BD93F9\">1<\/span><span style=\"color: #F8F8F2\">, <\/span><span style=\"color: #BD93F9\">2<\/span><span style=\"color: #F8F8F2\">, <\/span><span style=\"color: #BD93F9\">3<\/span><span style=\"color: #F8F8F2\">};<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h1 class=\"wp-block-heading has-medium-font-size\"><strong>Important Points<\/strong><\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>int<\/code> is the most commonly used integer type<\/li>\n\n\n\n<li><code>double<\/code> is used for decimal values<\/li>\n\n\n\n<li><code>char<\/code> stores single characters<\/li>\n\n\n\n<li><code>boolean<\/code> stores true or false values<\/li>\n\n\n\n<li><code>String<\/code> is widely used for text data<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#282A36\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#F8F8F2;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>public class DataTypesDemo {\n\n    public static void main(String[] args) {\n\n        int age = 25;\n        double salary = 55000.75;\n        char grade = 'A';\n        boolean passed = true;\n        String name = \"Kapoor\";\n\n        System.out.println(age);\n        System.out.println(salary);\n        System.out.println(grade);\n        System.out.println(passed);\n        System.out.println(name);\n    }\n}<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dracula\" style=\"background-color: #282A36\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #F8F8F2\">public <\/span><span style=\"color: #FF79C6\">class<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #8BE9FD\">DataTypesDemo<\/span><span style=\"color: #F8F8F2\"> {<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">    <\/span><span style=\"color: #FF79C6\">public<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #FF79C6\">static<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #FF79C6\">void<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #50FA7B\">main<\/span><span style=\"color: #F8F8F2\">(<\/span><span style=\"color: #FFB86C; font-style: italic\">String<\/span><span style=\"color: #F8F8F2\">[] <\/span><span style=\"color: #FFB86C; font-style: italic\">args<\/span><span style=\"color: #F8F8F2\">) {<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">        int age <\/span><span style=\"color: #FF79C6\">=<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #BD93F9\">25<\/span><span style=\"color: #F8F8F2\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">        double salary <\/span><span style=\"color: #FF79C6\">=<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #BD93F9\">55000.75<\/span><span style=\"color: #F8F8F2\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">        char grade <\/span><span style=\"color: #FF79C6\">=<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #E9F284\">&#39;<\/span><span style=\"color: #F1FA8C\">A<\/span><span style=\"color: #E9F284\">&#39;<\/span><span style=\"color: #F8F8F2\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">        boolean passed <\/span><span style=\"color: #FF79C6\">=<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #BD93F9\">true<\/span><span style=\"color: #F8F8F2\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">        String name <\/span><span style=\"color: #FF79C6\">=<\/span><span style=\"color: #F8F8F2\"> <\/span><span style=\"color: #E9F284\">&quot;<\/span><span style=\"color: #F1FA8C\">Kapoor<\/span><span style=\"color: #E9F284\">&quot;<\/span><span style=\"color: #F8F8F2\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">        System.out.<\/span><span style=\"color: #50FA7B\">println<\/span><span style=\"color: #F8F8F2\">(age);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">        System.out.<\/span><span style=\"color: #50FA7B\">println<\/span><span style=\"color: #F8F8F2\">(salary);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">        System.out.<\/span><span style=\"color: #50FA7B\">println<\/span><span style=\"color: #F8F8F2\">(grade);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">        System.out.<\/span><span style=\"color: #50FA7B\">println<\/span><span style=\"color: #F8F8F2\">(passed);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">        System.out.<\/span><span style=\"color: #50FA7B\">println<\/span><span style=\"color: #F8F8F2\">(name);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">    }<\/span><\/span>\n<span class=\"line\"><span style=\"color: #F8F8F2\">}<\/span><\/span><\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Java Programming Tutorial \u2013 Learn Java from Scratch Tutorial 1: Introduction to Java Java is a high-level, object-oriented programming language developed by Sun Microsystems. It was initiated by James Gosling and officially released in 1995 as a core component of the Java platform. Java is widely used for developing: Tutorial 2: Features of Java Tutorial &#8230; <a title=\"Java Tutorial\" class=\"read-more\" href=\"https:\/\/logicnextgen.com\/tutorials\/java-tutorial\/\" aria-label=\"Read more about Java Tutorial\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-13","page","type-page","status-publish"],"_links":{"self":[{"href":"https:\/\/logicnextgen.com\/tutorials\/wp-json\/wp\/v2\/pages\/13","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/logicnextgen.com\/tutorials\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/logicnextgen.com\/tutorials\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/logicnextgen.com\/tutorials\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/logicnextgen.com\/tutorials\/wp-json\/wp\/v2\/comments?post=13"}],"version-history":[{"count":114,"href":"https:\/\/logicnextgen.com\/tutorials\/wp-json\/wp\/v2\/pages\/13\/revisions"}],"predecessor-version":[{"id":931,"href":"https:\/\/logicnextgen.com\/tutorials\/wp-json\/wp\/v2\/pages\/13\/revisions\/931"}],"wp:attachment":[{"href":"https:\/\/logicnextgen.com\/tutorials\/wp-json\/wp\/v2\/media?parent=13"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}