{"id":142334,"date":"2024-05-23T15:08:05","date_gmt":"2024-05-23T09:38:05","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=142334"},"modified":"2024-05-23T15:08:05","modified_gmt":"2024-05-23T09:38:05","slug":"annotations-types-in-java","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/annotations-types-in-java\/","title":{"rendered":"Annotations Types in Java"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">@FunctionalInterface\r\ninterface MyInter\r\n{\r\n    void display();\r\n}\r\nclass TestAnnotation\r\n{\r\n    public static void main(String args[])\r\n    {\r\n             MyInter M1=()-&gt;{System.out.println(\"Hello Friends \");};      \r\n             M1.display();  \r\n    }\r\n}\r\n\r\n\r\n\r\n\r\n\/\/ class MyClass\r\n\/\/ {\r\n\/\/      void a1()\r\n\/\/      {\r\n\/\/         System.out.println(\"Hello This is a1 method\");\r\n\/\/      }\r\n\r\n\/\/      @Deprecated\r\n\/\/      void a2()\r\n\/\/      {\r\n\/\/         System.out.println(\"Hello This is a2 method this method in java 1.2 version\");\r\n\/\/      }\r\n\/\/ }\r\n\r\n\/\/ class TestAnnotation\r\n\/\/ {\r\n\/\/     public static void main(String args[])\r\n\/\/     {\r\n\/\/          MyClass M1=new MyClass();\r\n\/\/          M1.a1();\r\n\/\/          M1.a2();\r\n\/\/     }\r\n\/\/ }\r\n\r\n\r\n\r\n\r\n\r\n\/\/ abstract class Base\r\n\/\/ {\r\n\/\/       @Override\r\n\/\/       abstract void displayData();\r\n\/\/ }\r\n\/\/ class Derived extends Base\r\n\/\/ {\r\n\/\/        void displayData()\r\n\/\/       {\r\n\/\/           System.out.println(\"This is display data of Derived class method\");\r\n\/\/        }\r\n\/\/ }\r\n\r\n\/\/ class TestAnnotation\r\n\/\/ {\r\n\/\/     public static void main(String args[])\r\n\/\/     {\r\n\/\/           Derived D=new Derived();\r\n\/\/           D.displayData();\r\n\/\/     }\r\n\/\/ }\r\n\/\/import java.util.*;\r\n\/\/ @SuppressWarnings(\"unchecked\")  \r\n\/\/ class TestAnnotation\r\n\/\/ {\r\n\/\/     public static void main(String args[])\r\n\/\/     {\r\n\/\/            ArrayList A=new ArrayList();\r\n\/\/            A.add(\"Indore\");\r\n\/\/            A.add(\"Pune\");\r\n\/\/            A.add(\"Delhi\");\r\n\/\/            A.add(123);\r\n\/\/            A.add(true);\r\n\/\/           for(Object O:A) \r\n\/\/           {\r\n\/\/              System.out.println(O);\r\n\/\/           }\r\n\/\/     }\r\n\/\/ }<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 @FunctionalInterface interface MyInter { void display(); } class TestAnnotation { public static void main(String args[]) { MyInter M1=()-&gt;{System.out.println(&#8220;Hello Friends &#8220;);}; M1.display(); } } \/\/ class MyClass \/\/ { \/\/ void a1() \/\/&#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":[32223,7345,32222,29859,29858,32224,32225],"class_list":["post-142334","post","type-post","status-publish","format-standard","hentry","category-java","tag-annotations-types-in-java","tag-java","tag-java-annotations-types","tag-java-practical","tag-java-program","tag-java-program-on-annotations-types","tag-types-of-annotations-in-java"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Annotations Types in Java - 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\/annotations-types-in-java\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Annotations Types in Java - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 @FunctionalInterface interface MyInter { void display(); } class TestAnnotation { public static void main(String args[]) { MyInter M1=()-&gt;{System.out.println(&quot;Hello Friends &quot;);}; M1.display(); } } \/\/ class MyClass \/\/ { \/\/ void a1() \/\/&#046;&#046;&#046;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/data-flair.training\/blogs\/annotations-types-in-java\/\" \/>\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=\"2024-05-23T09:38:05+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":"Annotations Types in Java - 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\/annotations-types-in-java\/","og_locale":"en_US","og_type":"article","og_title":"Annotations Types in Java - DataFlair","og_description":"Program 1 @FunctionalInterface interface MyInter { void display(); 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