java猜数游戏

package hello;import java.util.Scanner;public class hello {    private static Scanner in;    public static void main(String[] args) {        in = new Scanner(System.in);        int rad_num, guess, count = 0;        rad_num =  (int)(1+Math.random()*(100));        guess = in.nextInt();        count++;        while(guess != rad_num)        {                if(guess < rad_num)                {                    System.out.println("这个数小了");                }                else                {                    System.out.println("这个数大了");                }                count++;                guess = in.nextInt();        }        System.out.println("恭喜你猜对了,用了"+ count+"次");    }}