Introduction When it comes to the decision where you need to choose your macro-architectural pattern for your application, then it usually ends by choosing one of the three most popular: Model View Controller (MVC) Model View Presenter (MVP) Model…
Introduction This is the first post in a five part series about object oriented design principles called SOLID. In Sofware engineering, there is an acronym called SOLID which represents five design principles which intent is writing software that is easier…
Introduction Command is a behavioural design pattern which intent is to encapsulate all information about an action. It is commonly used when you need to issue requests without knowing what action will be performed or who is the receiver…
Why do we need software architecture? One of the most important questions that are raised during development of software project is the economic benefit of software architecture. The question is commonly asked by business people, the owner of the…
Introduction Today, I will share very quick and simple tip that could help you to improve your code. I am quite sure that you are using string comparasion quite often and that this tip could you help to avoid null pointer exceptions.…
Introduction The Builder Pattern is creational design pattern that encapsulate the construction of a product and allow it to be constructed in steps. I like to use Builder design pattern when an object has too many parameters. This pattern is…
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…
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…
Android Design patterns Featured Java Software Engineering
How to minimize your dependency on third party libraries?
Introduction I guess that you are in similar situation like 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…
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…