Design patterns

Abstract Factory Pattern in Java

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What is Abstract Factory Pattern? Abstract factory pattern is a creational design pattern. It adds another layer to the factory method pattern. This pattern includes a generic interface to create families of objects. This pattern is useful when a client object wants an object instance from a group of related or dependent classes without any … Read more

Builder Pattern with Java examples

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What is Builder Pattern? Builder pattern is a creational design pattern. The main intention of the builder pattern is to create complex objects by separating the construction process from its representation. This pattern enables the polymorphism by providing an effective solution for creating different forms of an object while using a consistent construction process. The … Read more

The Factory Method Design Pattern

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What is Factory Method Design Pattern? Gang of Four categorizes the factory method design pattern as a creational pattern since it deals with object creation.  This pattern enforces the loose coupling and encapsulation principles in object-oriented programming. This pattern applies in situations where there are sub-classes involved, and the creation of those becomes complex with … Read more

What is Dependency Injection Design Pattern?

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The software world is getting more robust and smart with blooming innovative ideas every day. Every technology is lightened by this smartness which reduces the heavy and complex mechanisms. Emerging frameworks are best examples of those innovations. Those are capable of making the designers and developers’ lives less stressful with many automated features. Containers are … Read more

Let’s Learn Singleton Design Pattern

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What is a Singleton? The word singleton is derived from the word, Single which represents one independently executable unit. In the programming world, a singleton is an object which has only one instance for the life time of the application. What is Singleton Design Pattern? Singleton design pattern is classified as a creational design pattern … Read more

Introduction to Design Patterns

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What are Design Patterns? What is a Pattern? Patterns exist everywhere in the world. In culinary, art, medicine, law, mathematics, music, dancing and the list goes on. Genrally, a pattern is identified as a recurring arrangement created to solve some generalized problem. It is simply a solution outline. That solution outline can be used over and over … Read more