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Java从零码起10-模拟双色球系统

愚鱼看书说故事 2022-02-03 阅读 42
import java.util.Arrays;
import java.util.Random;
import java.util.Scanner;

/*
模拟双色球系统:
    1。随机生成一组中奖号码(双色球中6个红球(1-33,不重复),一个蓝球(1-16)
    2.用户输入一组中奖号码
    3.判断中奖情况
 */
public class Main {
    public static void main(String[] args) {
        //调用随机生成中奖号码的方法
        int[] luckNumber = CreateNumber();
        //System.out.println("中奖号码:" + Arrays.toString(luckNumber));

        //调用输入号码的方法
        int[] inputNumber = inputNumber();
        //调用判断中奖情况的方法
        System.out.println("你的号码:" + Arrays.toString(inputNumber));
        judge(luckNumber, inputNumber);

    }


    //生成中奖号码
    private static int[] CreateNumber() {
        Random r = new Random();
        int data;
        int[] numbers = new int[7];
        //遍历前六个装不重复的红球
        for (int i = 0; i < numbers.length - 1; i++) {
            do {
                data = r.nextInt(33) + 1;
            } while (repeat(data, i, numbers));
            numbers[i] = data;
        }
        //蓝球单独装
        numbers[numbers.length - 1] = r.nextInt(16) + 1;
        return numbers;
    }

    //    判断当前号码是否与之前的重复
    private static boolean repeat(int data, int i, int[] numbers) {
        //判断data与之前的数据是否重复
        for (int s = 0; s < i; s++) {
            if (data == numbers[s]) {
                return true;
            }
        }
        return false;
    }

    //    用户输入号码
    private static int[] inputNumber() {
        Scanner sc = new Scanner(System.in);
        int data;
        int[] inputNumber = new int[7];
        for (int i = 0; i < inputNumber.length - 1; i++) {
            do {
                System.out.println("输入第" + (i + 1) + "红球号码(1-33,不能重复):");
                data = sc.nextInt();
            } while (repeat(data, i, inputNumber));
            inputNumber[i] = data;
        }
        System.out.println("输入蓝球号码(1-16):");
        inputNumber[inputNumber.length - 1] = sc.nextInt();
        return inputNumber;
    }

    //判断中奖情况
    private static void judge(int[] luck, int[] input) {
        //定义两个变量,分别代表红球和蓝球命中个数
        int blue = 0, red = 0;
        for (int i = 0; i < input.length - 1; i++) {
            for (int l = 0; l < luck.length - 1; l++) {
                if (luck[l] == input[i]) {
                    red++;
                }
            }
        }
        if (luck[luck.length - 1] == input[input.length - 1]) {
            blue++;
        }
        //判断中奖情况
        if (blue == 1 && red < 3) {
            System.out.println("5元");
        } else if (blue == 1 && red == 3 || blue == 0 && red == 4) {
            System.out.println("10元");
        } else if (blue == 1 && red == 4 || blue == 0 && red == 5) {
            System.out.println("200元");
        } else if (blue == 1 && red == 5) {
            System.out.println("3000元");
        } else if (blue == 0 && red == 6) {
            System.out.println("500万元");
        } else if (blue == 1 && red == 6) {
            System.out.println("1000万元");
        }else {
            System.out.println("0元");
        }
        System.out.println("red:"+red);
        System.out.println("blue:"+blue);
    }
}
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