双色球号码生成器双色球号码 红球 篮球红球 6 个 1-33篮球 1 个 1-161生成6个1至33之间的随机整数不能重复存入一个List集合2编写方法对List集合进行排序3然后利用迭代器遍历集合元素并输出生成6个双色球红号例如 2 12 14 25 28 30 4产生1-16之间的一个随机数生成1个双色球蓝号例如 155提示用户输入购买的双色球注数随机生成相应注数的双色球号码

import java.util.ArrayList; import java.util.Collections; import java.util.Iterator; import java.util.List; import java.util.Random; import java.util.Scanner;

public class DoubleColorBallGenerator { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("请输入购买的双色球注数："); int n = sc.nextInt(); for (int i = 1; i <= n; i++) { List redBalls = generateRedBalls(); int blueBall = generateBlueBall(); System.out.println("第" + i + "注双色球号码为：" + redBalls + " + " + blueBall); } sc.close(); }

// 生成6个红球
private static List<Integer> generateRedBalls() {
    List<Integer> redBalls = new ArrayList<>();
    Random random = new Random();
    while (redBalls.size() < 6) {
        int ball = random.nextInt(33) + 1;
        if (!redBalls.contains(ball)) {
            redBalls.add(ball);
        }
    }
    Collections.sort(redBalls);
    Iterator<Integer> it = redBalls.iterator();
    while (it.hasNext()) {
        System.out.print(it.next() + " ");
    }
    System.out.println();
    return redBalls;
}

// 生成1个蓝球
private static int generateBlueBall() {
    Random random = new Random();
    int blueBall = random.nextInt(16) + 1;
    System.out.println("蓝球号码为：" + blueBall);
    return blueBall;
}