[实验任务一]：计算机组装
使用建造者模式，完成下述任务：计算机组装工厂可以将CPU、内存、硬盘、主机等硬件设备组装在一起构成计算机，计算机的类型可以是笔记本，也可以是台式机。
package test5;public class Computer {private String CPU;private String RAM;private String Hard;private String Host;public String getCPU() {return CPU;}public void setCPU(String cPU) {CPU = cPU;}public String getRAM() {return RAM;}public void setRAM(String rAM) {RAM = rAM;}public String getHard() {return Hard;}public void setHard(String hard) {Hard = hard;}public String getHost() {return Host;}public void setHost(String host) {Host = host;}
}
package test5;public abstract class ComputerBuilder {protected Computer computer=new Computer();public abstract void buildCPU();public abstract void buildRAM();public abstract void buildHard();public abstract void buildHost();public Computer getComputer(){return computer;}
}
package test5;public class DesktopComputerBuilder extends ComputerBuilder{public void buildCPU() {computer.setCPU("安装台式机CPU");}public void buildRAM() {computer.setRAM("安装台式机内存");}public void buildHard() {computer.setHard("安装台式机硬盘");}public void buildHost() {computer.setHost("安装台式机主机");}
}
package test5;public class Director {private ComputerBuilder cb;public void setComputerBuilder(ComputerBuilder c){cb=c;}public Computer construct(){cb.buildCPU();cb.buildRAM();cb.buildHard();cb.buildHost();return cb.getComputer();}
}
package test5;public class LaptopComputerBuilder extends ComputerBuilder{public void buildCPU() {computer.setCPU("安装笔记本CPU");}public void buildRAM() {computer.setRAM("安装笔记本内存");}public void buildHard() {computer.setHard("安装笔记本硬盘");}public void buildHost() {computer.setHost("安装笔记本主机");}
}
package test5;import java.util.Scanner;public class main {public static void main(String args[]){ComputerBuilder cb = null;System.out.println("请选择：1、笔记本 2、台式机");Scanner input=new Scanner(System.in);int i=input.nextInt();if(i==1) {cb=new LaptopComputerBuilder();}else if(i==2) {cb=new DesktopComputerBuilder();}else {System.out.println("输入无效！");}Director dir=new Director();dir.setComputerBuilder(cb);Computer computer=dir.construct();System.out.println("计算机组成：");System.out.println(computer.getCPU());System.out.println(computer.getRAM());System.out.println(computer.getHard());System.out.println(computer.getHost());}
}//run此文件
