Java枚举

public enum TestEnum
{
    //相当于构造方法
    Mon("Monday"),  //两个应该都是String类型  
    Tue("Tuesday"),  
    Wed("Wednesday"),  
    Thu("Thursday"),  
    Fri("Friday"),  
    Sat("Saturday"),  
    Sun("Sunday");  

    private final String day; 
    
    //相当于构造方法(枚举的时候就相当于往构造函数里面传参数)
    private TestEnum(String day)
    {
        this.day=day;
    }
    
    public String getDay()
    {
        return day;
    }
    
    public static void main(String[] args)
    {
        for (TestEnum day:TestEnum.values())
        {
            //得到构造函数里面的参数方法
            System.out.println(day+"'s value:"+day.getDay());
        }
    }
}