{"id":142341,"date":"2024-05-23T15:17:31","date_gmt":"2024-05-23T09:47:31","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=142341"},"modified":"2024-05-23T15:17:31","modified_gmt":"2024-05-23T09:47:31","slug":"predefined-functional-interface-in-java","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/predefined-functional-interface-in-java\/","title":{"rendered":"Predefined Functional Interface in Java"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">package test;\r\n\r\nimport java.util.function.Consumer;\r\nimport java.util.function.Predicate;\r\nimport java.util.function.Function;\r\nimport java.util.function.Supplier;\r\n\/\/class Student\r\n\/\/{\r\n\/\/     private String stname;\r\n\/\/\r\n\/\/    public String getStname() \r\n\/\/    {\r\n\/\/        return stname;\r\n\/\/    }\r\n\/\/\r\n\/\/    public void setStname(String stname) \r\n\/\/    {\r\n\/\/        this.stname = stname;\r\n\/\/    }\r\n\/\/     \r\n\/\/}\r\n\r\npublic class TestFunctionalInterface\r\n{\r\n    public static void main(String[] args) \r\n    {\r\n        \/\/ 4. Type of Functional Interface  Supplier \r\n          Supplier&lt;Double&gt;getRandom=()-&gt;Math.random();\r\n          System.out.println(getRandom.get());\r\n        \/\/ 3. Type of Functional Interface  Function \r\n\/\/        Function&lt;Integer,String&gt;readInt=t-&gt;t*20+\"Result is\";\r\n\/\/        System.out.println(readInt.apply(5));\r\n\/\/          Function&lt;Integer,String&gt;getInt=t-&gt;t+100+\"  Output is\";\r\n\/\/          System.out.println(getInt.apply(5));\r\n        \r\n        \/\/ 2. Type of Functional Interface  Consumer\r\n\/\/        Student S=new Student();\r\n\/\/        Consumer&lt;Student&gt; setStname=S1-&gt;S1.setStname(\"Rajesh Sharma\");\r\n\/\/        setStname.accept(S);\r\n\/\/        System.out.println(S.getStname());\r\n        \r\n           \/\/ 1. Type of Functional Interface  \r\n        \/\/Predicate&lt;Integer&gt; checkPN=number-&gt;number&gt;=0;    \r\n        \/\/  System.out.println(checkPN.test(-10));\r\n\/\/         Predicate&lt;String&gt;checkLength=str-&gt;str.length()&gt;5;\r\n\/\/         System.out.println(checkLength.test(\"Indore is my city\"));\r\n          \r\n    }\r\n}<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 package test; import java.util.function.Consumer; import java.util.function.Predicate; import java.util.function.Function; import java.util.function.Supplier; \/\/class Student \/\/{ \/\/ private String stname; \/\/ \/\/ public String getStname() \/\/ { \/\/ return stname; \/\/ } \/\/ \/\/ public&#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":[7345,29859,32229,29858,32231,32232,32230],"class_list":["post-142341","post","type-post","status-publish","format-standard","hentry","category-java","tag-java","tag-java-practical","tag-java-predefined-functional-interface","tag-java-program","tag-java-program-on-predefined-functional-interface","tag-predefined-functional-interface","tag-predefined-functional-interface-in-java"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Predefined Functional Interface 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\/predefined-functional-interface-in-java\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Predefined Functional Interface in Java - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 package test; 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