[上]JAVA学习系列模块七第一章146.面向对象_类和对象练习

[上]JAVA学习系列模块七第一章146.面向对象_类和对象练习

视频

[vbilibili]【尚硅谷2024最新JAVA入门视频教程（上部）JAVA零基础入门教程】 https://www.bilibili.com/video/BV1YT4y1H7YM/?p=146&share_source=copy_web&vd_source=85f561e7442caa320f4a23b57edee129[/vbilibili]

笔记

练习

public class Phone {
    //属性
    String brand;//品牌
    String color;//颜色
    int price;//价格

    //行为
    public void call(String name){

        System.out.println("给"+name+"打电话");
    }

    public String message(){

        return "给金莲发短信";
    }
}

================================================================

public class Demo02Phone {
    public static void main(String[] args) {
        Phone phone = new Phone();
        phone.brand = "苹果";
        phone.color = "黑色";
        phone.price = 7999;

        System.out.println(phone.brand);
        System.out.println(phone.color);
        System.out.println(phone.price);

        phone.call("金莲");
        String mess = phone.message();
        System.out.println(mess);
    }
}