struct-SwitchDemo01-02

package com.kuang.struct;
//=====================
//Demo01
//=====================
public class SwitchDemo01 {
    public static void main(String[] args) {
        //case穿透    //switch 匹配一个具体的值
        char grade = 'C';

        switch(grade){
            case 'A':
                System.out.println("优秀");
                break;//可选
            case 'B':
                System.out.println("良好");
                break;//可选
            case 'C':
                System.out.println("及格");
                break;//可选
            case 'D':
                System.out.println("再接再厉");
                break;//可选
            case 'E':
                System.out.println("挂科");
                break;//可选
            default:
                System.out.println("未知等级");
        }
    }
}

package com.kuang.struct;
//=====================
//Demo02
//=====================
public class SwitchDemo02 {
    public static void main(String[] args) {
        String name = "Ahao";

        //JDK7的新特性, 表达结果可以是字符串!!!
        //字符的本质还是数字

        //反编译 java---calss(字节码文件)---反编译(IDEA)

        switch (name){
            case "Ahao":
                System.out.println("Ahao");
                break;
            case "Zzq":
                System.out.println("Zzq");
                break;
            default:
                System.out.println("弄啥勒!");
        }
    }
}

chazhao