randomexercise.java

来自「java learn PPT java learn PPT java learn」· Java 代码 · 共 17 行

     import java.io.*;
     import java.util.*;

     public class RandomExercise
     {    
          public static void main(String[] args)
          {
               Random r = new Random(21);
               int n = r.nextInt(1000000);
               System.out.println("number to generate is " + n);

               int count = 1;
               for(; n != r.nextInt(1000000); count++);
               System.out.println(count);
          }
     }