JDK5新特性_自己实现枚举类

package cn.itcast_01;

public class DirectionDemo {
	public static void main(String[] args) {
		Direction d = Direction.FRONT;
		System.out.println(d);// cn.itcast_01.Direction@6bbc4459
		System.out.println("------------------------");
		Direction2 d2 = Direction2.FRONT;
		System.out.println(d2);// cn.itcast_01.Direction2@5d888759
		System.out.println(d2.getName());
		System.out.println("------------------------");
		Direction3 d3 = Direction3.FRONT;
		System.out.println(d3);
		System.out.println(d3.getName());
		d3.show();

		d3 = Direction3.LEFT;
		System.out.println(d3);
		System.out.println(d3.getName());
		d3.show();
	}
}package cn.itcast_01;

public class DirectionDe