第6周作业2-成绩判断

import java.util.Scanner;public class GradeIf{ public static  void main(String[] args){int Score;Scanner input = new Scanner(System.in);System.out.println("请输入分数");while(true){Score = input.nextInt();if(Score<=60 )System.out.println("D级");elseif(Score<=70)System.out.println("C级");elseif(Score<=85)System.out.println("B级");elseSystem.out.println("A级");}}}