面向对象-宠物狗实例

public class MyDog5 extends MyPetTest3 {
	public MyDog5(String name, int age, String color, double weight) {
		super(name, age, color, weight);//调用父类的构造方法	
	}
	private String species;//子类扩展的属性：品种
	public MyDog5(String name, int age, String color, double weight,String species) {//构造方法重载
		super(name, age, color, weight);//调用父类的构造方法	
		this.species=species;
	}
	//给属性species添加get和set方法
	public String getSpecies() {
		return species;
	}

	public void setSpecies(String species) {
		this.species = species;
	}
	
	//宠物狗独有的方法，美容
	public void cosmetic(){
		System.out.println(this.getName()+"每周都要到宠物店做一次美容。");
	}
	public void show(){//重写父类的show方法
		System.out.println(this.getName()+"今年"+this.getAge()+"岁，是"+this.getColor()+"颜色的"+
	this.getSpecies()+",体重是"+this.getWeight());
	}
	public void speak(){//重写父类的speak方法
		System.out.println(this.getName()+":汪汪汪");
	}
	public static void main(String[] args) {
		MyDog5 dog=new MyDog5("阿发",3,"黑色",3.8,"贵宾犬");
		dog.show();
		dog.speak();
		dog.cosmetic();
		dog.playWithOwnner("星星");
	}
}