列挙型のサンプル

Month.java

package com.tigawa;

public enum Month {
	Apr(4),
	May(5),
	Jun(6),
	Jul(7),
	Aug(8),
	Sep(9),
	Oct(10),
	Nov(11),
	Dec(12),
	Jan(1),
	Feb(2),
	Mar(3);
	
	private int ｍonth;
	private Month(int ｍonth){
		this.ｍonth = ｍonth;
	}
	
	public int getMonth(){
		return this.ｍonth;
	}
	
	public int getPeriod(){
		return ordinal()+1;
	}
}