Java基础案例3-3：多功能手机

【案例3-3】多功能手机

【案例介绍】

随着科技的发展，手机的使用已经普及到每个家庭甚至个人，手机的属性越来越强大，功能也越来越多，因此人们在生活中越来越依赖于手机。
任务要求，使用所学知识编写一个手机属性及功能分析程序设计，测试各个手机的属性及功能。使用手机时，输出当前手机的各个属性参数以及正在使用的功能。

【代码】

/* Phone.java */
package com.j2se.myInstances.example3_3;

public class Phone {
    
    
    private String brand;
    private String type;
    private String os;
    private double price;
    private int memory;

    public Phone() {
    
    }

    public Phone(String brand, String type, String os, double price, int memory) {
    
    
        this.brand = brand;
        this.type = type;
        this.os = os;
        this.price = price;
        this.memory = memory;
    }

    public void about() {
    
    
        /* 查看手机信息 */
        System.out.println("Brand: " + brand);
        System.out.println("Type: " + type);
        System.out.println("OS: " + os);
        System.out.println("Price(RMB): " + price);
        System.out.println("Memory(G): " + memory);
    }

    public void call(String number) {
    
    
        System.out.println("=>自动拨号");
        String phoneNumber = null;
        switch (number) {
    
    
            case "1":
                phoneNumber = "打电话给詹姆斯...";
                break;
            case "2":
                phoneNumber = "打电话给杜兰特...";
                break;
            case "3":
                phoneNumber = "打电话给库日天";
                break;
        }
        System.out.println(phoneNumber);
    }

    public void playGame() {
    
    
        System.out.println("玩星球大战");
    }

    public void downloadMusic() {
    
    
        System.out.println("Downloading...");
        System.out.println("Finished...");
    }

    public void playMusic(String song) {
    
    
        System.out.println("正在播放：" + song);
    }

    public String getBrand() {
    
    
        return brand;
    }

    public void setBrand(String brand) {
    
    
        this.brand = brand;
    }

    public String getType() {
    
    
        return type;
    }

    public void setType(String type) {
    
    
        this.type = type;
    }

    public String getOs() {
    
    
        return os;
    }

    public void setOs(String os) {
    
    
        this.os = os;
    }

    public double getPrice() {
    
    
        return price;
    }

    public void setPrice(double price) {
    
    
        this.price = price;
    }

    public int getMemory() {
    
    
        return memory;
    }

    public void setMemory(int memory) {
    
    
        this.memory = memory;
    }
}

/* PhoneTest.java */
package com.j2se.myInstances.example3_3;

public class PhoneTest {
    
    
    public static void main(String[] args) {
    
    
        Phone p1 = new Phone();
        p1.setBrand("Apple");
        p1.setType("iPhone Xs");
        p1.setOs("ios");
        p1.setMemory(256);
        p1.setPrice(8999);

        p1.about();
        p1.call("1");
        p1.playMusic("Hey Judy");
        p1.playGame();
        System.out.println("======================");

        Phone p2 = new Phone("Huawei", "Huawei P50", "HarmonyOs", 10099, 128);
        p2.about();
        p2.call("3");
        p2.playGame();
        p2.playMusic("好运来");
    }
}