• java学习---猜数字游戏(自动生成随机数)


    package exercise;

    import java.util.Random;
    import java.util.Scanner;

    public class my_guss_number {
      public static void main(String[] args) {
        Random ra = new Random();
        int n = ra.nextInt(10);                //自动生成随机数
        Boolean flag = true;                  
        while (flag) {
          System.out.println("please input number a:");
          Scanner sc = new Scanner(System.in);
          int a = sc.nextInt();  
          if (a > n) {
            System.out.println("it is so big!");
          }else if (a < n) {
            System.out.println("it is so small!");
          }else {
            System.out.println("good luck!");
            flag = false;               //防止产生死循环
          }
        }


      }

    }

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  • 原文地址:https://www.cnblogs.com/D007/p/12938967.html
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