java 宠物商店代码

Pet.java

interface Pet
{
public String getName();
public String getColor();
public int getAge();
public float getPrice();
}

Cat.java

class Cat implements Pet
{
private String name;
private String color;
private int age;
private float price;
public Cat(String name,String color,int age,float price){
this.name = name;
this.color = color;
this.age = age;
this.price = price;
}

public void setName(String name){
this.name=name;
}
public void setColor(String name){
this.color=color;
}
public void setAge(int age){
this.age=age;
}
public void setPrice(float price){
this.price=price;
}

public String getName(){
return this.name;
}
public String getColor(){
return this.color;
}
public int getAge(){
return this.age;
}
public float getPrice(){
return this.price;
}
}

Dog.java

class Dog implements Pet
{
private String name;
private String color;
private int age;
private float price;
public Dog(String name,String color,int age,float price){
this.name = name;
this.color = color;
this.age = age;
this.price = price;
}

public void setName(String name){
this.name=name;
}
public void setColor(String name){
this.color=color;
}
public void setAge(int age){
this.age=age;
}
public void setPrice(float price){
this.price=price;
}
public String getName(){
return this.name;
}
public String getColor(){
return this.color;
}
public int getAge(){
return this.age;
}
public float getPrice(){
return this.price;
}
}

PetShop.java

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[l];
}
}

public boolean add(Pet pet){
if(foot < this.pets.length){
this.pets[foot] = pet;
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;
}
}

TestPetShop.java

public class PetShopDemo
{
public static void main(String[] args)
{
PetShop ps = new PetShop(8);
ps.add(new Cat("白猫","黑色",1,23.5f));
ps.add(new Cat("黑猫","黑色",2,23.5f));
ps.add(new Cat("白猫","黑色",3,23.5f));
ps.add(new Dog("白狗","黑色",1,23.5f));
ps.add(new Dog("黑狗","黑色",2,23.5f));
ps.add(new Dog("白狗","黑色",3,23.5f));
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()+", "+p[i].getPrice());
}
}
}
}