Design Patterns
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Core Java
Train Wreck Pattern – A much improved implementation in Java 8
Venkat Subramaniam at a talk today mentioned about Cascade Method pattern or Train Wreck pattern which looks something like: …
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Core Java
Template Method Pattern – Using Lambda Expressions, Default Methods
Template Method pattern is one of the 23 design patterns explained in the famous Design Patterns book by Erich Gamma,…
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Enterprise Java
Publish/Subscribe Pattern with Apache Camel
Publish/Subscribe is a simple messaging pattern where a publisher sends messages to a channel without the knowledge of who is…
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Software Development
A Theorical Look into Object/Resource Pool Pattern
Definition: Sometimes our software projects need costly object creations (database connections, socket connections, large graphical objects etc.). This cost may…
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Scala
Gang of Four Patterns With Type-Classes and Implicits in Scala
Type-classes, as they’re known within the Scala language, have a wonderful place in library development. They make code open to…
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Core Java
Template method design pattern in Java
Template method pattern is a behavioral design pattern which provide base method for algorithm,called template method which defers some of…
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Core Java
Observer design pattern in Java
As the name suggests it is used for observing some objects.Observer watch for any change in state or property of…
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Core Java
Singleton Design Pattern – An introspection and best practices
Definition: Singleton is a part of Gang of Four design pattern and it is categorized under creational design patterns. In…
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Core Java
The ins and outs of immutability
So in my first post I talked a little bit about the builder pattern and I mentioned a really powerful…
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