enum 常量用法

enum Weekday{
MONDAAY ,
TUESDAY ,
WEDNESDAY,
THURSDAY ,
FRIDAY ,
SATURDAY ,
SUNDAY
//
}

/**
{
private Weekday(){}

public static final Weekday MONDAAY = new Weekday();
public static final Weekday TUESDAY = new Weekday();
public static final Weekday WEDNESDAY = new Weekday();
public static final Weekday THURSDAY = new Weekday();
public static final Weekday FRIDAY = new Weekday();
public static final Weekday SATURDAY = new Weekday();
public static final Weekday SUNDAY = new Weekday();
}*/

class Employee
{
private Weekday restday; //定义一周的哪一天休息

public Weekday getRestday() {
return restday;
}
public void setRestday(Weekday restday){
this.restday = restday;
}
}

class EnumDemo
{
public static void main(String[] args)
{
//创建一个员工对象，并设置哪一天休息。
Employee employee = new Employee();

employee.setRestday(Weekday.FRIDAY);

Weekday weekday = employee.getRestday();

if (weekday == Weekday.SATURDAY || weekday == Weekday.SUNDAY)
{
System.out.println("周末休息");
}else{
System.out.println("工作日休息");
}
}
}