wolf.java

来自「疯狂Java讲义_源码(含Java设计模式CHM」· Java 代码 · 共 46 行

/**
 * Description:
 * <br/>Copyright (C), 2005-2008, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee [e-mail]
 * @version  1.0
 */

class Creature
{
	public Creature()
	{
		System.out.println("Creature无参数的构造器");		
	}
}
class Animal extends Creature
{
	public Animal(String name)
	{
		System.out.println("Animal带一个参数的构造器，该动物的name为" + name);
	}
	public Animal(String name , int age)
	{
		//使用this调用同一个重载的构造器
		this(name);
		System.out.println("Animal带2个参数的构造器，其age为" + age);
	}

}
public class Wolf extends Animal
{
	public Wolf()
	{
		//显式调用父类有2个参数的构造器
		super("土狼", 3);
		System.out.println("Wolf无参数的构造器");
	}
	public static void main(String[] args)
	{
		new Wolf();
	}	
}