十月三十日

[實驗任務一]：計算機組裝

使用建造者模式，完成下述任務：計算機組裝工廠可以將CPU、記憶體、硬碟、主機等硬體裝置組裝在一起構成計算機，計算機的型別可以是筆記本，也可以是桌上型電腦。

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("安裝桌上型電腦CPU");
    }
    public void buildRAM() {
        computer.setRAM("安裝桌上型電腦記憶體");
    }
    public void buildHard() {
        computer.setHard("安裝桌上型電腦硬碟");
    }
    public void buildHost() {
        computer.setHost("安裝桌上型電腦主機");
    }
}

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("安裝筆記本CPU");
    }
    public void buildRAM() {
        computer.setRAM("安裝筆記本記憶體");
    }
    public void buildHard() {
        computer.setHard("安裝筆記本硬碟");
    }
    public void buildHost() {
        computer.setHost("安裝筆記本主機");
    }
}

package test5;

import java.util.Scanner;

public class main {
    public static void main(String args[])
    {
        ComputerBuilder cb = null;
        System.out.println("請選擇：1、筆記本 2、桌上型電腦");
        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("輸入無效！");
        }
        Director dir=new Director();
        dir.setComputerBuilder(cb);
        Computer computer=dir.construct();
        System.out.println("計算機組成：");
        System.out.println(computer.getCPU());
        System.out.println(computer.getRAM());
        System.out.println(computer.getHard());
        System.out.println(computer.getHost());
    }
}

//run此檔案