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                建造者模式 ## 1.什么是創建型設計模式 假如現在需要修建房子,那么就需要工人,設計師,土地,工人修改房子就需要在土地上建立 那么在代碼中,我們必須創建一個類用于封裝工人與房子之間的關系,現在設計師出來了,他就要想 工人們介紹房子怎么做,做什么什么樣子(原則上是給圖紙就行),在代碼中需要傳入,工人,有設計師 就行解說 ## 2. 創建型設計他的模型是什么樣子 工人(I) Build 房間(C) Room makeWindow() window makeFloor() floor getRoot() 設計師(C) Designer 工人關聯類(C) WorkBuilder Order(Build) WorkerBuild implements Build ## 3.代碼實現 public interface Build { public void makeWindow(); public void makeFloor(); public Room getRoom(); } public class Room { private String window; private String fioor; public String getWindow() { return window; } public void setWindow(String window) { this.window = window; } public String getFioor() { return fioor; } public void setFioor(String fioor) { this.fioor = fioor; } } public class Designer { public void order(Build build){ build.makeFloor(); build.makeWindow(); } } public class WorkBuilder implements Build { private Room room = new Room(); @Override public void makeWindow() { room.setFioor("地板 "); } @Override public void makeFloor() { room.setWindow("窗戶"); } @Override public Room getRoom() { return room; } } public class Client { public static void main(String[] args) { Build worker = new WorkBuilder(); //獲取工人對象 Designer designer = new Designer(); //獲取設計師對象 designer.order(worker); //設計師指揮工人工作 System.out.println(worker.getRoom());; //工人交房 } }
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