import java.util.InputMismatchException; import java.util.Scanner; public class Main {         public static void main(String[] args) {                 // 产生一个随机数                 int number = (int) (Math.random() * 100) + 1;                 // 加入count                 int count = 0;                 // 在这里加入最大值，和最小值                 int max = 100;                 int min = 1;                 while (true) {                         // 键盘录入数据                         Scanner sc = new Scanner(System.in);                         System.out.println("请输入你要猜的数据：(" + min + "~" + max + ")");                         try {                                 count++;                                 int guessNumber = sc.nextInt();                                 // 判断                                 if (guessNumber > number) {                                         max = guessNumber;                                         System.out.println("你猜大了");                                 } else if (guessNumber < number) {                                         min = guessNumber;                                         System.out.println("你猜小了");                                 } else {                                         System.out.println("恭喜你,花了" + count + "次就猜中了");                                         // 问是否继续                                         System.out.println("请问还要继续吗？(yes)");                                         sc = new Scanner(System.in);                                         String str = sc.nextLine();                                         if ("yes".equals(str)) {                                                 // 重写赋值随机数                                                 number = (int) (Math.random() * 100) + 1;                                                 count = 0;                                                 max = 100;                                                 min = 1;                                         } else {                                                 break;                                         }                                 }                         } catch (InputMismatchException e) {                                 System.out.println("你输入的数据有误");                         }                 }         } }