宠物Java代码的使用方法如下:

环境准备
-
安装Java开发环境:您需要在电脑上安装Java开发环境,包括JDK(Java开发工具包)和IDE(集成开发环境),推荐使用IntelliJ IDEA或Eclipse等IDE。
-
创建项目:在IDE中创建一个新的Java项目,命名为“PetProject”。
代码编写
创建宠物类(Pet.java)
public class Pet {
private String name;
private int age;
private String type;
public Pet(String name, int age, String type) {
this.name = name;
this.age = age;
this.type = type;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
@Override
public String toString() {
return "Pet{" +
"name='" + name + ''' +
", age=" + age +
", type='" + type + ''' +
'}';
}
}
创建宠物店类(PetShop.java)

import java.util.ArrayList;
import java.util.List;
public class PetShop {
private List<Pet> pets;
public PetShop() {
pets = new ArrayList<>();
}
public void addPet(Pet pet) {
pets.add(pet);
}
public void showPets() {
for (Pet pet : pets) {
System.out.println(pet);
}
}
}
创建主类(Main.java)
public class Main {
public static void main(String[] args) {
PetShop petShop = new PetShop();
Pet dog = new Pet("旺财", 3, "狗");
Pet cat = new Pet("喵喵", 2, "猫");
Pet fish = new Pet("小鱼", 1, "鱼");
petShop.addPet(dog);
petShop.addPet(cat);
petShop.addPet(fish);
petShop.showPets();
}
}
运行程序
在IDE中运行Main.java,您将看到以下输出:
Pet{name='旺财', age=3, type='狗'}
Pet{name='喵喵', age=2, type='猫'}
Pet{name='小鱼', age=1, type='鱼'}
这样,您就成功使用了宠物Java代码。
FAQs
问题:如何修改宠物信息?

解答:找到对应的宠物对象,然后调用相应的setter方法修改属性,修改旺财的年龄:
Pet dog = petShop.getPets().get(0); dog.setAge(4);
问题:如何删除宠物?
解答:找到对应的宠物对象,然后从宠物店列表中移除,删除旺财:
Pet dog = petShop.getPets().get(0); petShop.getPets().remove(dog);
原创文章,发布者:酷盾叔,转转请注明出处:https://www.kd.cn/ask/188141.html