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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…

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…