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Software Engineering

Factory Method pattern

Introduction The Factory Method pattern is one the most used design patterns. It is creational type of design pattern, so it is one of the best ways to create objects in any programming language. We will implement this pattern…

Software Engineering

Template Method Pattern

Introduction The template method pattern is behavioral design pattern that defines the steps for an algorithm and allows sub-classes to provide custom implementation for one or more steps. This design pattern helps us to maximize the code re-usability. General…

Software Engineering

How to minimize your dependency on third party libraries?

Introduction I guess that you are in a similar situation as me, that most projects that you are working on are dealing with third-party libraries.  There is no need to reinvent the wheel since external libraries are usually well tested and…

Java

How and when to use Facade Design Pattern?

  Introduction Facades are all around us in the real world. Light switch is one example – you can turn of or turn on lights, but you do not know what happens behind the walls, when you press that…