public class TestThread3{ //静态方法 public static void S(ServiceOut睿共享 s){睿共享 s.out();睿共享 } public static void main(String []args){ S(new Host()); } } //接口 interface ServiceOut{睿共享 void out(); } /*编写一个退出实现类*/ class Host implements ServiceOut{ @Override public void out() { System.out.println("電腦登陸失敗"); }睿共享 }