animal.java

Java 程序设计源码 只提供了部分

interface Animal
{
	void eat();
	void sleep();
}

class Zoo
{
        private class Tiger implements Animal
	{
	        public void eat()
	        {
	                System.out.println("Tiger eat");
	        }
	        
	        public void sleep()
	        {
	                System.out.println("Tiger sleep");
	        }
	}
	
	Animal getAnimal()
	{
	        return new Tiger();
	}
	
	/*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 an = z.getAnimal();
                an.eat();
                an.sleep();
        }
}