自动生成大乐透java代码

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.Random;
import java.util.Scanner;
import java.util.Set;

public class DLTGenerator {
    // 常量定义
    private static final int FRONT_POOL_SIZE = 35;
    private static final int FRONT_SELECT_COUNT = 5;
    private static final int BACK_POOL_SIZE = 12;
    private static final int BACK_SELECT_COUNT = 2;

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("大乐透号码生成器");
        System.out.print("请输入要生成的注数: ");
        int count = scanner.nextInt();

        for (int i = 1; i <= count; i++) {
            System.out.printf("\n第%d注: %s", i, generateDLTNumber());
        }
        scanner.close();
    }

    // 生成单注大乐透号码
    private static String generateDLTNumber() {
        // 前区号码生成
        Set<Integer> frontNumbers = new HashSet<>();
        Random random = new Random();
        while (frontNumbers.size() < FRONT_SELECT_COUNT) {
            frontNumbers.add(random.nextInt(FRONT_POOL_SIZE) + 1);
        }

        // 后区号码生成
        Set<Integer> backNumbers = new HashSet<>();
        while (backNumbers.size() < BACK_SELECT_COUNT) {
            backNumbers.add(random.nextInt(BACK_POOL_SIZE) + 1);
        }

        // 排序并格式化输出
        ArrayList<Integer> sortedFront = new ArrayList<>(frontNumbers);
        ArrayList<Integer> sortedBack = new ArrayList<>(backNumbers);
        Collections.sort(sortedFront);
        Collections.sort(sortedBack);

        return String.format("前区: %s  后区: %s",
                formatNumbers(sortedFront), formatNumbers(sortedBack));
    }

    // 数字格式化（小于10补零）
    private static String formatNumbers(ArrayList<Integer> numbers) {
        StringBuilder sb = new StringBuilder();
        for (int num : numbers) {
            sb.append(String.format("%02d ", num));
        }
        return sb.toString().trim();
    }
}