猜数字游戏

package guessNumber;

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

public class GuessNumber {

	public static void main(String[] args) {

		Random r = new Random();
		int randomNumber = r.nextInt(101);   //生成0到100之间的整数
		
		int guessNumber = -1; //游戏猜的数字
		Scanner input = new Scanner(System.in);
		
		int counter = 0;
		System.out.println("请输入0到100之间的整数");
			while(guessNumber!=randomNumber){
			try {	guessNumber = Integer.parseInt(input.nextLine());
	if(guessNumber<0||guessNumber>100){
					System.out.println("请输入0到100之间的整数");
					counter++; //猜到的次数加1
					continue;
				}
			} catch (NumberFormatException e) {
				System.out.println("请输入0到100之间的整数");
				counter++; // 猜到的次数加1
				continue;
			} 
			
			if(guessNumber>randomNumber){
				System.out.println("输入的数字太大了，请再次输入：");
			}
			if(guessNumber<randomNumber){
				System.out.println("输入的数字太小了，请再次输入：");
			}
			counter++;
		}
			
				System.out.println("答案正确，共猜了"+counter+"次");
			
	}

}