Java彩票模拟使用集合，没有生成正确数量的随机结果或正确比较集合

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Random;
import java.util.Set;

public class LotterySimulation {
    public static void main(String[] args) {
        // 生成彩票的随机结果
        List<Integer> lotteryResult = generateLotteryResult(6, 1, 49);
        System.out.println("彩票的随机结果：" + lotteryResult);

        // 模拟用户选择的彩票号码
        List<Integer> userSelection = generateUserSelection(6, 1, 49);
        System.out.println("用户选择的彩票号码：" + userSelection);

        // 比较彩票结果和用户选择的号码
        int matchedNumbers = compareLotteryResult(lotteryResult, userSelection);
        System.out.println("匹配的号码数量：" + matchedNumbers);
    }

    // 生成彩票的随机结果
    private static List<Integer> generateLotteryResult(int count, int min, int max) {
        List<Integer> result = new ArrayList<>();
        Random random = new Random();
        while (result.size() < count) {
            int number = random.nextInt(max - min + 1) + min;
            if (!result.contains(number)) {
                result.add(number);
            }
        }
        return result;
    }

    // 模拟用户选择的彩票号码
    private static List<Integer> generateUserSelection(int count, int min, int max) {
        List<Integer> result = new ArrayList<>();
        Random random = new Random();
        while (result.size() < count) {
            int number = random.nextInt(max - min + 1) + min;
            if (!result.contains(number)) {
                result.add(number);
            }
        }
        return result;
    }

    // 比较彩票结果和用户选择的号码
    private static int compareLotteryResult(List<Integer> lotteryResult, List<Integer> userSelection) {
        Set<Integer> set = new HashSet<>(lotteryResult);
        int count = 0;
        for (int number : userSelection) {
            if (set.contains(number)) {
                count++;
            }
        }
        return count;
    }
}