1、Act.java //接口类publicinterfaceAct...{publicvoidgo();} 2、Chinese.java //实体类publicclassChinese...{publicvoidgetAge()...{System.out.println("entityclass.");}} 3、Person.java //抽象类可以实现接口,并且可以继承实体类。publicabstractclassPersonextendsChineseimplementsAct...{publicvoidrun()...{System.out.println("run");}publicabstractvoidjump();} 4、Test.java publicclassTestextendsPerson...{//Act中的方法publicvoidgo()...{System.out.println("go");}//Person中的方法publicvoidjump()...{System.out.println("jump");}publicstaticvoidmain(String[]args)...{Testt=newTest();t.go();t.run();t.jump();t.getAge();//Chinese中的方法}}