123.txt

简单的猜数字游戏

import java.io.*;
public class caishu{
  public static void main(String args[]) throws IOException
  {InputStreamReader iin=new InputStreamReader(System.in);
   BufferedReader bin=new BufferedReader(iin);
   int a=(int)(Math.random()*100);
   System.out.println("请输入一个数字,您只有五次猜数机会！");
  int n=0;
   String s=bin.readLine();
   int r=Integer.parseInt(s);
   if (r!=a)
    {do{
         if (r>a) 
           System.out.println("您输入的数过大，请重新输入！");
         else if(r<a)
             System.out.println("您输入的数过小，请重新输入！");         
         s=bin.readLine();
         r=Integer.parseInt(s); 
         ++n;
       }while(n>5);
       System.out.println("game over");
   }
   else 
     System.out.println("恭喜你猜对了！");              
 }
}