public interface MyInterface { void pri();}public class TestClass1 { public MyInterface test(){ return new MyInterface(){ public void pri() { System.out.println(1); } }; } public static void main(String[] args) { MyInterface my = new TestClass1().test(); my.pri(); }} //继承类public abstract class AbstructClass { abstract void pri();}public class TestClass2 { public AbstructClass te(){ return new AbstructClass(){ void pri() { System.out.println(1); } }; } public static void main(String[] args) { AbstructClass abc = new TestClass2().te(); abc.pri(); }}