类的定义与对象的创建使用

定义类：

//定义一个手机类
//属性：创建品牌、颜色、价格
//行为：给xxx打电话
        群发短信
public class phone {
    String brand;
    String color;
    int price;
    public void call(String name){
        System.out.println("给"+ name +"打电话");
    }
    public void sendMessage(){
        System.out.println("输出群发短信");
    }
}
//编写一个手机测试类，创建两个对象并赋值
public class phoneTest {
    public static void main(String[] args) {
        phone ph1=new phone();
        ph1.brand="小米";
        ph1.color="白色";
        ph1.price=4999;
        System.out.println(ph1.brand);
        System.out.println(ph1.color);
        System.out.println(ph1.price);
        ph1.call("张三");
        ph1.sendMessage();
        System.out.println("------------");
        phone ph2=new phone();
        ph2.brand="华为";
        ph2.color="黑色";
        ph2.price=6999;
        System.out.println(ph2.brand);
        System.out.println(ph2.color);
        System.out.println(ph2.price);
        ph2.call("李四");
        ph2.sendMessage();
    }
}