java练习题目4：分支结构switch-case

java练习题目4：分支结构switch-case

/*
编写程序：从键盘上读入一个学生成绩，存放在变量score中，根据score的值输出其对应的成绩等级：

score>=90        等级：A
70=
60=
score<60         等级：D

*/
import java.util.Scanner;
class TestSwitch4{
    public static void main(String[] args){
        Scanner s = new Scanner(System.in);
        System.out.println("请输入您的成绩");
        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';
        break;
        }
        System.out.println("您所输入的成绩"+score+"等级为"+level);
    }
}