创建超市（SuperMarket类）

package com.duixiang.Demo5;

public class test {
    public static void main(String[] args) {
        SuperMarket s1 = new SuperMarket();
        s1.name = "妩媚";
        s1.phone = "0313-7777777";
        s1.address = "江南基地市区，不知道哪";
        s1.show();
        s1.print();
        s1.discount();

    }
}

package com.duixiang.Demo5;

public class SuperMarket {
    String name;
    String address;
    String phone;
    void show(){
        System.out.println("物美超市欢迎你");
    }
    void print(){
        System.out.println("超市名:"+name+"\n地址:"+address+"\n电话:"+phone);
    }
    void discount(){
        System.out.println("全场85折");
    }
}