java代碼示例（7-1）

Dog類

1 /***
 2  * 寵物狗狗類，使用權限修飾符private和public進行封裝
 3  * @author chenyanlong
 4  * 日期:2017/10/15
 5  */
 6 package com.hp.test07;
 7 
 8 public class Dog {
 9 
10      //定義變量
11     private String name;//昵稱
12     private int health;//健康值
13     private int love;//親密度
14     private String  strain;//設定狗狗的品種
15     
16     
17     /*通過吃飯增加健康值*/
18     public void eat(){
19         if(health>=100){
20             System.out.println("狗狗"+name+"需要運動了");
21         }else{
22             health=health+5;
23             System.out.println("主人,"+name+"吃飽了！");
24         }
25     }
26     
27     /*通過與主人玩遊戲增加親密度，但同時減少健康值*/
28     public void play(){
29         if(health<20){
30             System.out.println("主人，"+name+"生病了");
31         }else{
32             health=health-3;
33             love=love+5;
34         }
35     }
36     public String getName() {
37         return name;
38     }
39     public void setName(String name) {
40         this.name = name;
41     }
42     public int getHealth() {
43         return health;
44     }
45     public void setHealth(int health) {
46         this.health = health;
47     }
48     public int getLove() {
49         return love;
50     }
51     public void setLove(int love) {
52         this.love = love;
53     }
54     
55 
56     public String getStrain() {
57         return strain;
58     }
59 
60     public void setStrain(String strain) {
61         this.strain = strain;
62     }
63 
64     @Override
65     public String toString() {
66         return "Dog [name=" + name + ", health=" + health + ", love=" + love + ", Strain=" + strain + "]";
67     }
68     
69     
70     
71 }      

DogTest類：

package com.hp.test07;

import java.util.Scanner;

public class DogTest {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Dog dog=new Dog();
        
        System.out.println("----------------歡迎來到寵物店--------------");
        System.out.println("請選擇需要領養的寵物品種：1.哈巴狗  2.牧羊犬");
        Scanner input=new Scanner(System.in);
        dog.setStrain(input.nextLine()); 
        
        System.out.println("請給你的愛犬起個好聽的名字：");      
        Scanner input1=new Scanner(System.in);
        dog.setName(input1.next());
        
        System.out.println("設定健康值：eg:80");
        Scanner input2=new Scanner(System.in);
        dog.setHealth(input2.nextInt());
        
        System.out.println("設定愛心值：eg:80");
        Scanner input3=new Scanner(System.in);
        dog.setLove(input3.nextInt());
       
        System.out.println(dog.toString());
    }

}      

運作效果：