Prototype Design Pattern: Creating another dolly

It’s really a time consuming process to create objects and also an expensive affair. So we are now on a…

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Design Patterns: Mogwai or Gremlins?

The 1994 book Design Patterns: Elements of Reusable Object-Oriented Software introduced many software developers to the concept of ‘a catalog…

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Design Best practices using Factory Method Pattern

In the previous Design Pattern example we have explained about a flavor of Factory pattern which is commonly used nowadays.…

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Abstract Factory Design Pattern Explained

Abstract Factory Design Pattern is another flavor of Factory Design Pattern. This pattern can be considered as a “super factory”…

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JavaEE Revisits Design Patterns: Decorator

This time last year I wrote a series of blog posts on JavaEE implementation of design patterns. Roughly after a…

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Factory Design Pattern Case Study

I had a job to check our project code quality. And have to report it back to my team leader…

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Observer Design Pattern in Java

‘Don’t call us, we’ll call you’… that’s the Hollywood OO (Object Oriented) Principle and it’s exactly what the Observer pattern…

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Chain Of Responsibility Design Pattern Example

Avoid coupling the sender of a request to the receiver by giving more than one object a chance to handle…

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Resign Patterns: Eliminate them with Agile practices and Quality Metrics

This blog post is inspired by the article titled Resign Patterns by Michael Duell. I’ve included all the original text…

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