领养宠物

父类：

package com.Pet;

public class Pet {
    protected String name;
    protected String sex;
    protected int heathy;
    protected int qinMi;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getSex() {
        return sex;
    }
    public void setSex(String sex) {
        if(sex.equals("1")) {
            this.sex = "公仔";
        }else {
            this.sex = "母仔";
        }
    }
    public int getHeathy() {
        return heathy;
    }
    public void setHeathy(int heathy) {
        if(heathy<0||heathy>100) {
            heathy = 60;
            System.out.println("健康值应该在0~100之间,默认为60");
        }
        this.heathy = heathy;
    }
    public int getQinMi() {
        return qinMi;
    }
    public void setQinMi(int qinMi) {
        if(qinMi<0||qinMi>100) {
            qinMi = 61;
            System.out.println("亲密度应该在0~100之间，默认值为61");
        }
        this.qinMi = qinMi;
    }
    
}

子类（狗类）：

package com.Pet;

public class Dog extends Pet{
    public void showInfo() {
        System.out.println("狗狗的自白：");
        System.out.println("我的名字叫："+this.getName()+","+"健康值是："+this.getHeathy()+","+"和主人亲密度为："+this.getQinMi()+","+"我的性别为："+this.getSex()); 
    }
}

子类（企鹅类）：

package com.Pet;

public class Penguin extends Pet{
    public void showInfo() {
        System.out.println("企鹅的自白：");
        System.out.println("我的名字叫："+this.getName()+","+"健康值是："+this.getHeathy()+","+"和主人亲密度为："+this.getQinMi()+","+"我的性别为："+this.getSex());
    }
}

测试类：

package com.Pet;

import java.util.Scanner;

public class TestPet {
    public static void main(String[] args) {
        System.out.println("欢迎来到宠物店！");
        Scanner input = new Scanner(System.in);
        Dog dog =new Dog();
        Penguin qiE = new Penguin();
        System.out.println("请选择您想要的宠物：1.狗狗/2.企鹅");
        int choose = input.nextInt();
        
        switch (choose) {
        case 1:
            System.out.println("请输入要领养宠物的名字：");
            dog.setName(input.next());
            System.out.println("请选择宠物性别：1.公/2.母");
            dog.setSex(input.next());
            System.out.println("请输入健康值：");
            dog.setHeathy(input.nextInt());
            System.out.println("请输入亲密度：");
            dog.setQinMi(input.nextInt());
            dog.showInfo();
            break;
            
        case 2:
            System.out.println("请输入要领养宠物的名字：");
            qiE.setName(input.next());
            System.out.println("请选择宠物性别:1.公/2.母");
            qiE.setSex(input.next());
            System.out.println("请输入健康值：");
            qiE.setHeathy(input.nextInt());
            System.out.println("请输入亲密度：");
            qiE.setQinMi(input.nextInt());
            qiE.showInfo();
            break;

        default:
            break;
        }
        
    }
}

输出：