猜数游戏java实现代码

本文实例为大家分享了java实现猜数游戏的具体代码,供大家参考,具体内容如下

有开始界面,可以设置范围,设置猜的次数

代码如下:

public static void main(String[] args) {

Random rand = new Random();

Scanner sc = new Scanner(System.in);

System.out.println("----------猜数游戏----------");

System.out.println(" 1.开始游戏\n 2.游戏设置\n 3.退出游戏");

System.out.println("请输入:");

int[] arr = new int[3];

for (int i = 1; i < arr.length; i++) {

if (i < 4) {

arr[i] = sc.nextInt();

}

break;

}

int a = 0;

//开始界面

for (int i = 1; i < arr.length; i++) {

if (arr[i] == 1) {

System.out.println("开始游戏");

a = 1;

break;

} else if (arr[i] == 2) {

System.out.println("游戏设置");

a = 2;

break;

} else if (arr[i] == 3) {

System.out.println("退出游戏");

a = 3;

break;

} else System.out.println("错误输入");

}

//设置界面

int max = 100;

int min = 0;

int cishu = 5;

if (a == 2) {

System.out.println("设置范围");

System.out.println("最小值");

min = sc.nextInt();

System.out.println("最大值");

max = sc.nextInt();

System.out.println("设置猜的次数");

cishu = sc.nextInt();

//int randNum = rand.nextInt(max - min + 1) + min;

System.out.println("设置范围\n最小值为:" + min + "\n最大值为:" + max + "\n猜的次数为:" + cishu);

a = 6;

}

//设置后回到开始界面

if (a==6){

System.out.println("----------猜数游戏----------");

System.out.println(" 1.开始游戏\n 2.游戏设置\n 3.退出游戏");

System.out.println("请输入:");

for (int i = 1; i < arr.length; i++) {

if (i < 4) {

arr[i] = sc.nextInt();

}

break;

}

//开始界面

for (int i = 1; i < arr.length; i++) {

if (arr[i] == 1) {

System.out.println("开始游戏");

a = 1;

break;

} else if (arr[i] == 2) {

System.out.println("游戏设置");

a = 2;

break;

} else if (arr[i] == 3) {

System.out.println("退出游戏");

a = 3;

break;

} else System.out.println("错误输入");

}

}

//游戏界面

if (a == 1) {

int randNum = rand.nextInt(max - min + 1) + min;

System.out.println("我想了一个" + min + "到" + max + "的数,请你来猜:\n你有" + cishu + "次机会");

int i = 1;

for (; i <= cishu; ++i) {

System.out.println("第" + i + "次:");

int guess = sc.nextInt();

if (i < cishu) {

if (randNum >= guess) {

if (randNum <= guess) {

System.out.println("恭喜你猜对了!\n" + "该值是:" + randNum);

break;

} else System.out.println("你猜小了!");

} else System.out.println("你猜大了!");

} else System.out.println("你猜错了!\n该值是:" + randNum);

}

}

}

运行结果:

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