Java8 Simple anonymous inner class using Demo__java

1, no return value V1 version

/** * Java8 Concise anonymous inner class using demo * Created by Wangyingjie1 on 2017/2/23.
    */public class Executehelper {public static void execute (EXECUTE) {execute.doexecute ();
        public static void Execute (Execute execute, String umpkey) {System.out.println ("start========" + Umpkey);
        try {execute.doexecute ();
        catch (Exception e) {System.out.println ("umpkey===>" + Umpkey);
    } System.out.println ("end========" + Umpkey);
    Private interface Execute {void Doexecute ();
        //test use of anonymous inner classes public static void main (string[] args) {Executehelper.execute (()-> study.print ());

        Executehelper.execute (()-> study.print (), "xxx");
        The output of the test array string[] profiles = {"xxx", "yyyyy", "zzzzzzzzzzzz"};
        String profilesstr = Arrays.stream (profiles). Reduce ((A, B)-> A + "," + B). get (); System.out.println (profilesstr + "=======\n" + arrays.toString (profiles)); public static class Study {public static void print () {System.out.println ("Hello world*******
        "); }
    }
}

2, with return value V2 version

/** * Java8 Concise anonymous inner class using demo * Created by Wangyingjie1 on 2017/2/23.
    */public class Executehelper {public static void execute (EXECUTE) {execute.doexecute (); 
     /** * with return-worthy execution method, static weave to implement code @param execute * @param umpkey * @param <T> * @return */public static <T> T Execute (Execute execute, String umpkey) {System.out.println ("start========
        "+ Umpkey);
        try {return (T) Execute.doexecute ();
        catch (Exception e) {System.out.println ("umpkey===>" + Umpkey);

        } System.out.println ("end========" + Umpkey);
    return null;
    Private interface Execute {Object doexecute ();
        //test use of anonymous inner classes public static void main (string[] args) {Executehelper.execute (()-> study.print ());
        String xxx = Executehelper.execute (()-> study.print (), "xxx"); String Execute = Executehelper.execute (()-> StUdy.sayhello ("Zhangsan"), "zzz");
    System.out.println (xxx + "==========" + execute); public static class Study {public static String print () {System.out.println ("Hello world*****
            **");
        return "China"; public static string SayHello (String userName) {System.out.println ("Say Hello *******" + userName)
            ;
        Return "Descendants of the Dragon";
 }
    }
}