package com.Summer_0427.cn;/** * @author Summer * 接口之间多继承的应用 * 应用实例：计算机及其设备、插排与两项电和三项电的应用 */interface ThreeElectronic{    void threeService();}interface TwoElectronic{    void twoService();}//接口的继承和多继承，实现了接口的功能合并和interface Socket extends ThreeElectronic,TwoElectronic{    void socketService();}class Computer implements Socket{    @Override    public void threeService() {        System.out.println("计算机本身用三项电通电");        }    @Override    public void twoService() {        System.out.println("计算机上的外置设备用两项电通电");            }    @Override    public void socketService() {        System.out.println("计算机上连接的插排进行供电");            }    }public class TestElectronic {    public static void main(String[] args) {        Computer cp = new Computer();        cp.threeService();        cp.twoService();        cp.socketService();    }}