C # Design Pattern builder (Builder) pattern sample source code

Source: Internet
Author: User
Tags abstract
Design | example | source code
Using System;
Using System.Collections;


Product
public class Computer
{
private string Type;
Private Hashtable info=new Hashtable ();
Public Computer (String type)
{
Type=type;
Console. WriteLine ("Conputer" +type+ "is builded!");
}

public string this[string key]
{
Get
{
Return (string) Info[key];
}
Set
{
Info[key]=value;
}
}
public void Show ()
{
Console. WriteLine ("This is a computer of" +type+ ":");
Console. WriteLine ("" +info["CPU"));
Console. WriteLine ("" "+info[" Ram "]);
}
}

Builder
Public abstract class Builder
{
protected Computer Computer;

Public Computer Computpter
{
Get
{
return computer;
}
}
Public Builder (String type)
{
Computer=new computer (type);
}
Abstract public void buildcpu ();
Abstract public void Builderram ();

}

public class Macbuilder:builder
{
Public Macbuilder (String type): Base (Type)
{}
public override void Buildcpu ()
{
computer["CPU"]= "MACCPU";
}
public override void Builderram ()
{
computer["Ram"]= "MACCPU";
}


}


public class Pcbuilder:builder
{
Public Pcbuilder (String type): Base (Type)
{}
public override void Buildcpu ()
{
computer["CPU"]= "PCCPU";
}
public override void Builderram ()
{
computer["Ram"]= "PCCPU";
}

}

public class Worker
{
public void construct (Builder Builder)
{

Builder. Buildcpu ();
Builder. Builderram ();
}
}


public class CEO
{

public static void Main ()
{
Try
{
Worker worker=new Worker ();
Builder pcbuilder=new pcbuilder ("Pc");
Builder macbuilder=new macbuilder ("Mac");

Worker. Construct (Pcbuilder);
Worker.construct (Macbuilder);

PcBuilder.Computpter.Show ();
MacBuilder.Computpter.Show ();
}
catch (Exception ex)
{
Console.WriteLine ("Error:" +ex.) Source+ "" +ex. Innerexception+ex. Stacktrace+ex. TargetSite);
}


}
}







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