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Why Abstraction is Really Important

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Abstraction Abstraction is one of the key elements of good software design. It helps encapsulate behavior. It helps decouple software elements. It helps having more self-contained modules. And much more. Abstraction makes the application extendable in much easier way. It makes refactoring much easier. When developing with higher level of abstraction, you communicate the behavior and less the implementation.   ...

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Spring-boot and Scala

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There is actually nothing very special about writing a Spring-boot web application purely using Scala, it just works! In this blog entry, I will slowly transform a Java based Spring-boot application completely to Scala – the Java based sample is available at this github location – https://github.com/bijukunjummen/spring-boot-mvc-test To start with, I had the option of going with either a maven ...

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[Java] How to Schedule a task to run in an interval

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There is often need in application to run some particular task in background to accomplish some work in an interval. The example can be, service running in background for cleanup of application just like, we have the Java Garbage collection. In this article, i will show you 3 different ways to achieve this They are as follows using simple thread ...

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Domain-Driven Design Revisited

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Recently I read a book titled Domain-Driven Design by Eric Evans. This wasn’t the first time I read this book but this time I realized that I had been totally wrong about domain-driven design. I thought that the domain model consists of entities and value objects. In fact, I was obsessed with moving the domain logic to entities and value ...

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Five Funny Moments in Developer History

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I’ve been working in development environments my whole career, over 30 years. I started out sharing an office that actually had a door on it; yes, that was a really long time ago. I’ve gone from offices to cubes to open spaces. I’ve worked on really large teams, very small teams, and lots of medium-sized teams. I’ve also used waterfall, ...

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JAX-RS 2.0 : Custom Content Handling

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I tried to think of a better title, but failed to come up with one ! Please bear with me……. The JAX-RS 2.0 specification allows us to seamlessly marshal/unmarshal JAXB objects to/from HTTP request/response bodies. Simply put, we can just work with the domain objects without being worried about the low level XML serialization within JAX-RS based solutions. Before we begin, ...

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How to Begin Learning and Applying LaTeX

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I recently started working with LaTeX based on a colleague‘s recommendation. To be honest, it was a little steeper learning curve installing it and initially learning it than I’ve become used to when installing and using new software development products and I hope in this post to provide some basic tips to help others who want to investigate this “document ...

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Java 8 Date Time API Tutorial : LocalDateTime

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This blogpost is a part of tutorial series on Date Time API introduced in Java 8. In this blogpost I will go over some of the methods available in LocalDateTime class. LocalDateTime is an immutable, thread safe object which represents date-time without a time-zone in the ISO-8601 calendar system, such as 2014-03-30T02:51:21. It is normally represented in year-month-day-hour-minute-second and provides accuracy ...

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