java桥接模式
Uml图如下:

public class Appliaction {public static void main(String[] args) {double width = 63, height = 30;int floorNumber = 8;double unitPrice = 6867.38;BuildingDesign design = new HomeDesign(width, height, floorNumber);ArchitectureCost cost = new BuildingCose(design, unitPrice);double price = cost.giveCost();System.out.println(price);}}??