{"id":135674,"date":"2024-04-23T10:43:39","date_gmt":"2024-04-23T05:13:39","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=135674"},"modified":"2024-04-23T10:43:39","modified_gmt":"2024-04-23T05:13:39","slug":"java-program-on-generic-classes","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/java-program-on-generic-classes\/","title":{"rendered":"Java Program on Generic Classes"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">package dataflair;\r\nimport java.util.*;\r\nclass MyClass&lt;T&gt;\r\n{\r\n    T n;\r\n    MyClass(T n)\r\n    {\r\n        this.n=n;\r\n    }\r\n    public String toString()\r\n    {\r\n        return (\" \"+n);\r\n    }\r\n}\r\npublic class TestMain \r\n{\r\n    public static void main(String[] args) \r\n    {\r\n        \/\/ User Define Generic class\r\n      MyClass&lt;Integer&gt;M1=new MyClass&lt;Integer&gt;(120);\r\n      MyClass&lt;String&gt;M2=new MyClass&lt;String&gt;(\"Hello Data Flair\");\r\n      MyClass&lt;Double&gt;M3=new MyClass&lt;Double&gt;(56.77);\r\n   \/\/   MyClass&lt;int&gt;M4=new MyClass&lt;int&gt;(234);\r\n      \r\n        System.out.println(M1);\r\n        System.out.println(M2);\r\n        System.out.println(M3);\r\n        \/\/ Inbuild Generic class\r\n\/\/        ArrayList&lt;Integer&gt; A=new ArrayList&lt;Integer&gt;();\r\n\/\/        A.add(500);\r\n\/\/        A.add(200);\r\n\/\/        A.add(400);\r\n\/\/        A.add(500);\r\n\/\/        \r\n\/\/        ArrayList&lt;String&gt; B=new ArrayList&lt;String&gt;();\r\n\/\/        B.add(\"First\");\r\n\/\/        B.add(\"Second\");\r\n\/\/        B.add(\"Third\");\r\n\/\/        \r\n\/\/        System.out.println(A);\r\n\/\/        \r\n\/\/        System.out.println(B);\r\n\/\/        A.add(100);\r\n\/\/        A.add(\"hello\");\r\n\/\/        A.add(45.66);\r\n\/\/        A.add(true);\r\n\/\/        System.out.println(A);\r\n    }\r\n      \r\n}<\/pre>\n<h3>Program 2<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">package dataflair;\r\n\r\nclass MyClass1&lt;T,V&gt;\r\n{\r\n    T m;\r\n    V n;\r\n    \r\n    MyClass1(T m,V n)\r\n    {\r\n        this.m=m;\r\n        this.n=n;\r\n    }\r\n    public String toString()\r\n    {\r\n       return(\"  \"+m+\"  \"+n);\r\n    }\r\n}\r\npublic class TestMain1 \r\n{\r\n    public static void main(String[] args) \r\n    {\r\n        MyClass1&lt;Integer,String&gt;M1;\r\n        M1=new MyClass1&lt;Integer,String&gt;(101,\"Vivek\");\r\n        \r\n        MyClass1&lt;Double,Integer&gt;M2;\r\n        M2=new MyClass1&lt;Double,Integer&gt;(10.66,125);\r\n        \r\n        System.out.println(M1);\r\n        System.out.println(M2);\r\n        \r\n    }\r\n    \r\n}<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 package dataflair; import java.util.*; class MyClass&lt;T&gt; { T n; MyClass(T n) { this.n=n; } public String toString() { return (&#8221; &#8220;+n); } } public class TestMain { public static void main(String[] args)&#46;&#46;&#46;<\/p>\n","protected":false},"author":86671,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[31565,31563,7345,31564,29859,29858,31562],"class_list":["post-135674","post","type-post","status-publish","format-standard","hentry","category-java","tag-generic-classes","tag-generic-classes-on-java","tag-java","tag-java-generic-classes","tag-java-practical","tag-java-program","tag-java-program-on-generic-classes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Java Program on Generic Classes - DataFlair<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/data-flair.training\/blogs\/java-program-on-generic-classes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java Program on Generic Classes - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 package dataflair; import java.util.*; class MyClass&lt;T&gt; { T n; MyClass(T n) { this.n=n; } public String toString() { return (&quot; &quot;+n); } } public class TestMain { public static void main(String[] args)&#046;&#046;&#046;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/data-flair.training\/blogs\/java-program-on-generic-classes\/\" \/>\n<meta property=\"og:site_name\" content=\"DataFlair\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/DataFlairWS\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-23T05:13:39+00:00\" \/>\n<meta name=\"author\" content=\"TechVidvan Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:site\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"TechVidvan Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Java Program on Generic Classes - DataFlair","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/data-flair.training\/blogs\/java-program-on-generic-classes\/","og_locale":"en_US","og_type":"article","og_title":"Java Program on Generic Classes - DataFlair","og_description":"Program 1 package dataflair; 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