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The Optional Type API

Java 8 introduces the Optional class. In a nutshell, instead of returning null, and then checking for null, you return an Optional instance, which can either have or not have a value ...
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5 Features In Java 8 That WILL Change How You Code

Java 8 is packed full of some really exciting features at both the JVM and language level. While some of the features initially envisioned for this release got scoped out or pushed ...
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Happy 8th Birthday Java!

It’s been another longer journey but yesterday, exactly two years, seven months, and eighteen days after the release of Java 7 we now have production-ready builds of Java 8 available ...
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Frustration-Driven Development – Towards DevOps, Lean, Clojure

My wife has mentioned that she likes my passion for doing things right in software development. That made me thinking, why do I actually care so much and do not just enjoy the coding ...
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Akka Toolkit 2.3 released

The release of 2.3.0 version of Akka toolkit was recently announced. Akka is a very useful toolkit and runtime for building highly concurrent, distributed, and fault tolerant event-driven ...
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Android App tutorial:Peg board game

I released in Github the source code of an app that can be used to play peg board. This app was published on the market some times ago and this is a new version. The app screenshots ...
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Joy of Coding… and mutation testing in Java

For many years now it has been good practice to write unit tests for your source-code. And also to use test coverage reporting to see how much of your code is covered by tests. Although ...
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Estimation by stuffing things into boxes

I’ve started using an approach for software project estimation that so far is proving to be fairly transparent, quick and reliable. I’ve observed that within a reasonable degree ...
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JavaSE 7,8: Determining Views Supported by a Particular File System

If you have questions about a file or a directory, such as whether it is hidden, whether it is a directory, what its size is, and who owns it, you can get answers to those questions ...
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Design Your Agile Project, Part 1

The more I see teams transition to agile, the more I am convinced that each team is unique. Each project is unique. Each organizational context is unique. Why would you take an off-the-shelf ...
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