public enum MyEnum {

	Monday,

	Tuesday,

	Wednesday,

	Thursady,

	Friday,

	Saturday,

	Sunday;

	public static void main(String[]args){

		//Enum 对象

		MyEnum mye;

		mye=MyEnum.Sunday;

		MyEnum mye1=MyEnum.Monday;

		/**

		 * enum convert to int

		 *  int java.lang.Enum.ordinal()

		 */

		System.out.println(mye.ordinal());

		System.out.println(mye1.ordinal());

		/**

		 * toString()

		 * String java.lang.Enum.name()

		 */

		System.out.println(mye);

		System.out.println(mye.name());

		/**

		 * int convert to enum

		 */

		MyEnum mye2=MyEnum.values()[1];

		MyEnum mye3=mye2.values()[2];

		System.out.println(mye2);

		System.out.println(mye3);

		/**

		 * is equal or not

		 * boolean java.lang.Enum.equals(Object other)

		 */

		System.out.println(MyEnum.Monday.equals(MyEnum.Monday));

		/**

		 * foreach out

		 */

		System.out.println(mye.values().length);

		for (MyEnum e : MyEnum.values()) {

			System.out.println(e);

		}

	}

}