写了一个微信发红包的代码

import ;
import ;
import ;
import ;
import ;

public class WeChatClub {

    public static void main(String[] args) {

        int sendMoney = 10000; // 100元
        int size = 6; // 红包个数

        Person zhangsan = new Person("1", "张三");

        Person lisi = new Person("2", "李四");
        Person wangwu = new Person("3", "王五");
        Person zhao6 = new Person("4", "赵六");
        Person mrLi = new Person("5", "李总");
        Person missX = new Person("6", "小波");
        Person missLxb = new Person("7", "李晓波");
        Person missF = new Person("8", "冯程程");


        List<Integer> redPackets = (sendMoney, size);
        (redPackets);
        (redPackets);
        (redPackets);
        (redPackets);
        (redPackets);
        (redPackets);
        (redPackets);

    }


}

class Person implements Serializable {

    // 唯一标识
    private String id;
    // 昵称
    private String nickName;

    // 抢到的红包金额单位: 分
    private int money;

    public Person() {
    }

    public Person(String id, String nickName) {
         = id;
         = nickName;
    }

    // getter, setter

    public String getId() {
        return id;
    }

    public String getNickName() {
        return nickName;
    }

    public int getMoney() {
        return money;
    }


    /**
     * 发红包
     *
     * @param amount 红包金额, 单位为分
     * @param size   红包份数
     * @return
     */
    public List<Integer> sendMoney(int amount, int size) {
        (nickName + "发了 " + size + " 个红包金额: " + amount);

        List<Integer> redPackets = new ArrayList<>();

        BigDecimal bdAmount = new BigDecimal(amount);

        for (int i = 0; i < size; i++) {

            if (i == size - 1) {
                (());
            } else {

                BigDecimal percent = new BigDecimal(new Random().nextInt(100)).divide(new BigDecimal(100));
                BigDecimal redPacket = (percent).setScale(0, BigDecimal.ROUND_HALF_UP);

                (());

                bdAmount = (redPacket);
            }

        }

        return redPackets;

    }

    /**
     * 抢红包
     *
     * @param redPackets
     * @return
     */
    public synchronized void receiveMoney(List<Integer> redPackets) {

        if (redPackets == null || ()) {
            (nickName + " 没抢到红包, 红包被抢完了");
            return;
        }

        int anInt = new Random().nextInt(());

         = (anInt);

        (nickName + "抢到了红包, 金额: " + money);

    }
}