animal.java

来自「学习java的详细的样例」· Java 代码 · 共 44 行

class Animal
{
	int weight, height;
	void eat()
	{
		System.out.println("eat");
	}
	
	void sleep()
	{
		System.out.println("sleep");
	}
	
	void breath()
	{
		System.out.println("breath");
	}
	
}

class Fish extends Animal
{
	void breath()
	{
		System.out.println("fish breath");
	}
	void eat()
	{
		System.out.println("fish eat");	
	}
		
}

class Integration
{
		public static void main(String[]args)
		{
				Animal an = new Animal();
				Fish   fish = new Fish();
				an.eat();
				fish.eat();
		}
}