KINA★潘朵拉之旅 跑 跳 碰

import java.util.Scanner;
public class u{
public static void main (String args[]){
Scanner input=new Scanner(System.in);
System.out.print("輸入成績:");
int score=input.nextInt();
System.out.println("成績:"+score+"分");
char grad;
switch(score/10){
case 10:
case 9:
grad='a';
break;
case 8:
grad='b';
break;
case 7:
grad='c';
break;
case 6:
grad='d';
break;
default:
grad='e';
}
System.out.print("成績等級:"+grad);
}
}