JAVA发红包案例

朱雀 2022-11-24 14:10 147阅读 0赞

public class User {
        private String name;
        private int currentMoney;
    
        public void show() {
            System.out.println("我是" + getName() + "，我现在有" + currentMoney + "元。");
        }
    
        public User() {
        }
    
        public User(String name, int currentMoney) {
            this.name = name;
            this.currentMoney = currentMoney;
        }
    
        public String getName() {
            return name;
        }
    
        public void setName(String name) {
            this.name = name;
        }
    
        public int getCurrentMoney() {
            return currentMoney;
        }
    
        public void setCurrentMoney(int currentMoney) {
            this.currentMoney = currentMoney;
        }
    
    }

import java.util.ArrayList;
    
    public class Manager extends User {
    
        public Manager() {
        }
    
        public Manager(String name, int currentMoney) {
            super(name, currentMoney);
        }
    
        public ArrayList<Integer> send(int totalMoney, int num) {
            int average = totalMoney / num;
            int remainder = totalMoney % num;
            ArrayList<Integer> list = new ArrayList<>();
            for (int i = 0; i < num - 1; i++) {
                list.add(average);
            }
            int last = average + remainder;
            list.add(last);
            int currentMoney = super.getCurrentMoney();
            super.setCurrentMoney(currentMoney - totalMoney);
            return list;
        }
    }

import java.util.ArrayList;
    import java.util.Random;
    
    public class Member extends User {
    
        public Member() {
        }
    
        public Member(String name, int currentMoney) {
            super(name, currentMoney);
        }
    
        public void recieve(ArrayList<Integer> list) {
            Random r = new Random();
            int index = r.nextInt(list.size());
            int get = list.remove(index);
            super.setCurrentMoney(get);
        }
    }

import java.util.ArrayList;
    public class SendLuckyMoney {
        public static void main(String[] args){
            Manager ma = new Manager("Peter",100);
            ma.show();
            ArrayList<Integer> list = ma.send(20, 3);
            ma.show();
            Member me1 = new Member("Jack",0);
            Member me2 = new Member("Tom",0);
            Member me3 = new Member("Tim",0);
            me1.recieve(list);
            me1.show();
            me2.recieve(list);
            me2.show();
            me3.recieve(list);
            me3.show();
        }
    }

输出：

我是Peter，我现在有100元。
    我是Peter，我现在有80元。
    我是Jack，我现在有6元。
    我是Tom，我现在有6元。
    我是Tim，我现在有8元。