//演示（匿名）內部類實現接口
interface Animal
{
	void eat();
	void sleep();
	
}

class Zoo
{
/*
	class Tiger implements Animal
	{
		public void eat()
		{
			System.out.println("Tiger eat");
		}
		public void sleep()
		{
			System.out.println("Tiger sleep");
		}
	}
*/
	Animal GetAnimal()
	{
		return new Animal()
		{
			public void eat()
			{
				System.out.println("Animal eat");
			}
			public void sleep()
			{
				System.out.println("Animal sleep");
			}
		};
	}
}


class Test
{
	public static void main(String[] args)
	{
		Zoo z = new Zoo();
		Animal a = z.GetAnimal();
		a.eat();
		a.sleep();
	}
}