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Autoboxing, Unboxing, and NoSuchMethodError

J2SE 5 introduced numerous features to the Java programming language. One of these features is autoboxing and unboxing, a feature that I use almost daily without even thinking about ...
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Publish JAR artifact using Gradle to Artifactory

So I have wasted (invested) a day or two just to find out how to publish a JAR using Gradle to a locally running Artifactory server. I used Gradle Artifactory plugin to do the publishing. ...
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Understanding volatile via example

We have spent last couple of months stabilizing the lock detection functionality in Plumbr. During this we have stumbled into many tricky concurrency issues. Many of the issues are ...
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JUnit in a Nutshell: Hello World

JUnit seems to be the most popular testing tool for developers within the Java world. So it is no wonder that there have been written some good books about this topic. But by earning ...
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Understanding JUnit’s Runner architecture

Some weeks ago I started creating a small JUnit Runner (Oleaster) that allows you to use the Jasmine way of writing unit tests in JUnit. I learned that creating custom JUnit Runners ...
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Gradle Goodness: Getting More Dependency Insight

In most of our projects we have dependencies on other code, like libraries or other projects. Gradle has a nice DSL to define dependencies. Dependencies are grouped in dependency configurations. ...
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JUnit in a Nutshell: Test Structure

Despite the existence of books and articles about JUnit testing, I still meet quite often programmers, who at most have a vague understanding of the tool and its proper usage. Hence ...
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Java yield-like using Stream API

Several programming languages, such as Ruby or Python to name a few, provides the yield command. Yield provides an effective way, in terms of memory consumption, to create series of ...
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How to use the new Apache Http Client to make a HEAD request

If you’ve updated your Apache HTTP Client code to use the newest library (at the time of this writing it is version 4.3.5 for the httpclient and version 4.3.2 for httpcore) from the ...
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Command Design Pattern Applied

Hi there! Today i’m gonna share with you a really great programming design pattern. It has a lot of usages and it is one of my favorites. The programming degin pattern command ...
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