Java第七次作业

interface Pet{
	public String getName();
	public String getColor();
	public int getAge();
}
class Cat implements Pet{
	private String name;
	private String color;
	private int age;
	public Cat(String name, String color,int age){
		this.setName(name);
		this.setColor(color);
		this.setAge(age);
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getColor() {
		return color;
	}
	public void setColor(String color) {
		this.color = color;
	}
	public int getAge() {
		return age;
	}
	public void setAge(int age) {
		this.age = age;
	}
};
class Doge implements Pet{
	private String name;
	private String color;
	private int age; 
	public Doge(String name, String color,int age){
		this.name=name;
		this.color=color;
		this.age=age;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getColor() {
		return color;
	}
	public void setColor(String color) {
		this.color = color;
	}
	public int getAge() {
		return age;
	}
	public void setAge(int age) {
		this.age = age;
	}
};

class PetShop{
	private Pet[] pets;
	private int foot;
	public PetShop(int len){
		if(len>0){
			this.pets=new Pet[len];
		}else{
			this.pets=new Pet[1];
		}
	}
	public boolean add(Pet pet){
		if(this.foot<this.pets.length){
			this.pets[this.foot]=pet;
			this.foot++;
			return true;
		}else{
			return false;
		}
	}
	public Pet[] search(String keyWord){
		Pet p[]=null;
		int count =0;
		for(int i=0;i<this.pets.length;i++){
			if(this.pets[i]!=null){
				if(this.pets[i].getName().indexOf(keyWord)!=-1||this.pets[i].getColor().indexOf(keyWord)!=-1){
					count++;
				}
			}
		}
		p=new Pet[count];
		int f=0;
		for(int i=0;i<this.pets.length;i++){
			if(this.pets[i]!=null){
				if(this.pets[i].getName().indexOf(keyWord)!=-1||this.pets[i].getColor().indexOf(keyWord)!=-1){
					p[f]=this.pets[i];
					f++;
				}
			}
		}
		return p;
	}
};
public class JavaDemo {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
        PetShop ps=new PetShop(5);
        ps.add(new Cat("白猫","白色的",2));
        ps.add(new Cat("黑猫","黑色的",3));
        ps.add(new Cat("花猫","花色的",3));
        ps.add(new Dog("拉布拉多","黄色的",3));
        ps.add(new Dog("金毛","黄色的",3));
        ps.add(new Dog("黄狗","黑色的",3));
        print(ps.search("黑"));
	}
    public static void print(Pet p[]){
    	for(int i=0;i<p.length;i++){
    		if(p[i]!=null){
    			System.out.println(p[i].getName()+","+p[i].getColor()+","+p[i].getAge());
    		}
    	}
    }
}