import java.util.Scanner;
class TestScore
{
public static void main(String[] args)
{
Scanner s = new Scanner(System.in);
System.out.println("请输入学生成绩:");
int score = s.nextInt();
char level;
/*if(score >=90){
level = ‘A‘;
}else if(score >=70){
level = ‘B‘;
}else if(score >=60){
level = ‘C‘;
}else {
level = ‘D‘;
} */
switch(score/10){
case 10:
case 9:
level = ‘A‘;
break;
case 8:
case 7:
level = ‘B‘;
break;
case 6:
level =‘C‘;
break;
default:
level = ‘D‘;
}
System.out.println("score:"+ score +",lever:"+level);
}
}原文:http://9815936.blog.51cto.com/9805936/1600408