public Screen() {
}
public Screen(String logo, double price, double size) {
this.logo = logo;
this.price = price;
this.size = size;
}
}
public class Phone {
public String brand;
public double price;
public String location;
// 定义手机的属性叫屏幕
// public String brand;
// public double price
// 权限修饰符 修饰符 数据类型 属性名= 初始值;
public Screen screen;
public Phone() {
}
public Phone(String brand, double price, String location,
Screen screen) {
this.brand = brand;
this.price = price;
this.location = location;
this.screen = screen;
}
}
public class PhoneTest {
public static void main(String[] args) {
// 创建一个叫华为的手机,价格2000,产地大连,屏幕品牌京东方,价格500,尺寸
6寸
// 在控制台输出手机的信息
Phone phone = new Phone();
phone.price=2000;
phone.location="大连";
phone.brand="华为";
// 创建屏幕类型的对象 叫s
Screen s = new Screen();
// 对屏幕的属性赋值
s.size=6;
