一个对象的内存图:
一个对象的内存图
package com.itheima_03;
/*
* 手机类
*/
public class Phone {
String brand;
int price;
String color;
public void call(String name) {
System.out.println("给" + name + "打电话");
}
public void sendMessage() {
System.out.println("群发短信");
}
}
package com.itheima_03;
/*
* 手机类的测试类
*/
public class PhoneDemo {
public static void main(String[] args) {
Phone p =new Phone();
System.out.println(p.brand + "---" + p.price + "---" + p.color);
p.brand = "锤子";
p.price = 2999;
p.color = "棕色";
System.out.println(p.brand + "---" + p.price + "---" + p.color);
p.call("林青霞");
p.sendMessage();
}
}
