Java 随机生成大乐透

大乐透"/>

Java 随机生成大乐透

1.描述

输入购买注数，Java随机生成大乐透

2.代码

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;
import java.util.Scanner;public class Lottery_ticket {// 随机生成大乐透 前区 01-35 取5个数 后区01-12 取2个数public static void SC() {List<Integer> Front_zone = new ArrayList();Random r = new Random();for (int i = 0; i < 5; i++) {int ran1 = r.nextInt(32) + 1;if (i == 0) {Front_zone.add(ran1);} else {for (int t = 0; t < Front_zone.size(); t++) {if (ran1 == Front_zone.get(t)) {i--;break;} else {if (Front_zone.size() == t + 1) {Front_zone.add(ran1);break;}}}}}List<Integer> Back_zone = new ArrayList();Random r2 = new Random();for (int i = 0; i < 2; i++) {int ran1 = r2.nextInt(11) + 1;if (i == 0) {Back_zone.add(ran1);} else {for (int t = 0; t < Back_zone.size(); t++) {if (ran1 == Back_zone.get(t)) {i--;break;} else {if (Back_zone.size() == t + 1) {Back_zone.add(ran1);break;}}}}}Collections.sort(Front_zone);Collections.sort(Back_zone);System.err.println("祝您喜中头奖！！！  前区：" + Front_zone.toString() + ";  后区：" + Back_zone.toString());}public static void main(String[] args) {System.out.println("请输入购买大乐透注数！！！");Scanner in = new Scanner(System.in);int t = in.nextInt();for (int i = 0; i < t; i++) {SC();}}
}

3.效果