Programming Resources

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Abstract Factory pattern provides an interface for creating families of related or dependent objects without specifying their concrete classes.
E.g. I have a DocumentFactory class that either returns DefaultDocumentFactory or CustomDocumentFactory dependening on the environment variable.

using System;
using System.Collections.Generic;
using System.Text;

namespace AbstractFactory
{
abstract class DocumentFactory
{
[…]

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Factory Method Pattern defines an interface for creating an object, but let subclasses decide which class to instantiate. It lets a class defer instantiation to subclasses.
E.g., I defined a abstract News class.

using System;
using System.Collections.Generic;
using System.Text;

namespace FactoryPattern
{
abstract class News
{
}
}

Different kinds of […]