List/Grid Tag Archives: Design Patterns
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 of simple and succinct solutions ...
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. In this session we will understand a more advanced solution ...
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” or “Factory of factories”. The Abstract Factory ...
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 year, I realized I missed my favorite pattern, the decorator. Decorator ...
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 for any obstacle that i found in the project. I found a lot of leaks and i think would be ...
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 is about. In ...
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 the request. Chain the receiving objects and pass the request along the chain ...
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 from the above article but for each anti-pattern I mention (at ...
10 Object Oriented Design principles for the Java programmer
Object Oriented Design Principles are core of OOPS programming but I have seen most of Java programmer chasing design patterns like Singleton pattern , Decorator pattern ...
Builder Design pattern in Java
Builder design pattern in Java is a creational pattern i.e. used to create objects, similar to factory method design pattern which is also creational design pattern. Before ...
