package com.jss.struc;
//switch多选择结构 case 穿透 switch 匹配一个具体的值
public class SwitchDemo01 {
    
    
    public static void main(String[] args) {
    
    
        char grade='C';
        switch (grade){
    
    
            case 'A':
                System.out.println("卓越");
                break;
            case 'B':
                System.out.println("优秀");
                break;
            case 'C':
                System.out.println("良好");
                break;
            case 'D':
                System.out.println("挂科");
                break;
            default:
                System.out.println("未知等级!");
        }
    }
}