猜数游戏java实现代码

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);
  }
 }
}