第4周作业-打字成绩判断程序—修改

import java.util.Scanner;
public class TouchType
{
	public static  void main(String[] args)
	{
		double Score;
		Scanner input = new Scanner(System.in);
		System.out.println("请输入分数");
		while(true){
			Score = input.nextDouble();
			if(Score<=15 )
				System.out.println("不及格");
			else
				if(Score<=30)
					System.out.println("及格");
				else
					if(Score<=60)
						System.out.println("良好");
					else
						System.out.println("优秀");

		}
	}
}