10.28

 

 

 package ruanjiansheji.shiyan5;

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) {
        this.CPU = CPU;
    }

    public String getRAM() {
        return RAM;
    }

    public void setRAM(String RAM) {
        this.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;
    }

    @Override
    public String toString() {
        return "Computer{" +
                "CPU='" + CPU + '\'' +
                ", RAM='" + RAM + '\'' +
                ", Hard='" + Hard + '\'' +
                ", Host='" + Host + '\'' +
                '}';
    }
}
package ruanjiansheji.shiyan5;

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 ruanjiansheji.shiyan5;

public class DesktopComputer extends ComputerBuilder{
    public void buildCPU() {
        computer.setCPU("台式机CPU");
    }
    public void buildRAM() {
        computer.setRAM("台式机内存");
    }
    public void buildHard() {
        computer.setHard("台式机硬盘");
    }
    public void buildHost() {
        computer.setHost("台式机主机");
    }
}
package ruanjiansheji.shiyan5;

public class Director {
    private ComputerBuilder computerBuilder;
    public void setComputerBuilder(ComputerBuilder c){
        computerBuilder=c;
    }
    public Computer construct(){
        computerBuilder.buildCPU();
        computerBuilder.buildRAM();
        computerBuilder.buildHard();
        computerBuilder.buildHost();
        return computerBuilder.getComputer();
    }
}
package ruanjiansheji.shiyan5;

public class LaptopComputer extends  ComputerBuilder{
    public void buildCPU() {
        computer.setCPU("笔记本CPU");
    }
    public void buildRAM() {
        computer.setRAM("笔记本内存");
    }
    public void buildHard() {
        computer.setHard("笔记本硬盘");
    }
    public void buildHost() {
        computer.setHost("笔记本主机");
    }
}
package ruanjiansheji.shiyan5;

public class main {
    public static void main(String[] args) {
        Director director=new Director();
        ComputerBuilder cb;
        System.out.println("安装笔记本");
        cb=new LaptopComputer();
        director.setComputerBuilder(cb);
        Computer Laptop = director.construct();
        System.out.println(Laptop.toString());



        System.out.println("安装台式机");
        cb=new DesktopComputer();
        director.setComputerBuilder(cb);
        Computer Desktop = director.construct();
        System.out.println(Desktop.toString());
    }
}