public class TestSwitch{
public static void main(String[]args){
int score=86;
switch(score/10){
case 9:
System.out.println("优秀");break;
case 8:
System.out.println("良好");break;
case 7:
System.out.println("中");break;
case 6:
System.out.println("及格");break;
default:
System.out.println("不及格");
}
}
}