发红包O

package sentmoney;

import java.util.ArrayList;

public class demomain {
    public static void main(String[] args) {
        manner ma=new manner("群主",500);
        manber one=new manber("one",100);
        manber two=new manber("two",100);
        manber three=new manber("three",100);

        ma.show();
        one.show();
        two.show();
        three.show();
        System.out.println("=============");
        ArrayList<Integer> list=ma.sent(100,3);
        one.now(list);
        two.now(list);
        three.now(list);
    }
}

package sentmoney;

public class users {
    private String name;
    private  int money;

    public users(String name, int money) {
        this.name = name;
        this.money = money;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getMoney() {
        return money;
    }

    public void setMoney(int money) {
        this.money = money;
    }
    public void show()
    {
        System.out.println("我的名字是："+name+",账户余额为："+money);
    }
}

package sentmoney;
import java.util.ArrayList;

public class manner extends users {
    public manner(String name, int money) {
        super(name, money);
    }
    public ArrayList<Integer> sent(int totalmoney,int count)
    {

        ArrayList<Integer> list=new ArrayList<>();
        int nowmoney=super.getMoney();
        if(nowmoney<totalmoney)
        {
            System.out.println("余额不足！");
        }
        else{
            int avg=totalmoney/count;
            int der=totalmoney%count;
            int last=avg+der;
            for(int i=0;i<count-1;i++)
            {
                list.add(avg);
            }
            list.add(last);
            super.setMoney(nowmoney-totalmoney);
            super.show();
        }
        return list;
    }
}

package sentmoney;

import java.util.ArrayList;
import java.util.Random;

public class manber extends users {

    public manber(String name, int money) {
        super(name, money);
    }
    public void now(ArrayList<Integer>list)
    {

        int nowmoney=super.getMoney();
        int in= new Random().nextInt(list.size());
        int der=list.remove(in);
         nowmoney=nowmoney+der;
         super.setMoney(nowmoney);
        super.show();
    }
}