switch01

package com.lyc.struct;

public class SwitchDemo01 {
    public static void main(String[] args) {
        //case 穿透(如果不写break ，case将会把代码执行到底，所以匹配到选项后需要用break来终止)
        char grade = 'C';
        switch (grade){
            case 'A':
                System.out.println("优秀");
                break;
            case 'B':
                System.out.println("良好");
                break;
            case 'C':
                System.out.println("及格");
                break;
            case 'D':
                System.out.println("需要努力");
                break;
            case 'E':
                System.out.println("挂科");
                break;
            default:
                System.out.println("未知等级");

        }
    }
}