package day2_3;import java.util.Scanner;public class 練習2 { public static void main(String[] args) {? ? Scanner scan = new Scanner(System.in);? ? int guess =(int)(Math.random()*1000+1);//隨機生成一個數(shù)? ? System.out.println(guess);? ? System.out.println("退出游戲請按0");? ? System.out.println("猜吧");? ? int num = scan.nextInt();//用戶輸入一個數(shù)? ? while(num!=guess){? ? ? ? if(guess==0){? ? ? ? break;? ? ? ? }else if(num>guess){? ? System.out.println("太大了");? ? }else{? ? System.out.println("太小了");? ? }? ? System.out.println("猜吧");? ? ?num = scan.nextInt();? ? ?? ? }? ? if(num==guess){? ? System.out.println("恭喜你猜對了");? ? }else if(guess==0){? ? System.out.println("很遺憾，下次再來吧！");? ? ? ? } }}