mysql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

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

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

if (p[i] != null)

{

System.out.println(p[i].getName()+", "+p[i].getColor()+", "+p[i].getAge()+", "+p[i].getPrice());

}

}

}

}

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