猜数字游戏

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

public class Temp {
    public static void main(String[] args) {
     Random myr = new Random();
     int a = myr.nextInt(4);
        System.out.println("输入一个数字");
        Scanner mys =new Scanner(System.in);
        byte b = mys.nextByte();
        if (a==b){
            System.out.println("猜到");
        }
        else {
            System.out.println("猜错");
        }
        System.out.println("答案"+a);
    }
}