The new interface of much waited Internet Explorer 9 has been revealed following an article which was published by one of Microsoft’s Russian subsidiaries. Though it was removed quickly, but it was too late.

Today we are going to see one of the design patterns abstract factory. Its one level of abstraction higher than factory pattern.The main use of Abstract Factory Patten is that is isolates the concrete classes which are generated.

Singletons are the design pattern when you want only one instance of a class created. You make the constructor private, and give access to the instantiated object via a static instance method that creates the object if it has not been created already. The singleton class is threadsafe lazy instantiation. I hope many would be [...]

Today i was going through an requirement on how to create components in runtime where we have parse an XML as input and then create components in the stage.

An associative array is the conventional workaround of the coding world.. In an associative array, we can associate any key or index we want with each value.

The Singleton pattern is very similar to creator pattern. This is very widely used pattern. Now a question might raise in the mind that why do we need this pattern and when it should be applied. Let us take a situation where you want to build a chess game. Where does the Singleton Pattern apply [...]