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Introduction To JUnit Theories

Have you ever read a mathematical theory? It typically reads something like this: For all a, b > 0  the following is true: a+b > a and a+b > b Just typically the statements ...
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(Part 2 of 3): Synopsis of articles & videos on Performance tuning, JVM, GC in Java, Mechanical Sympathy, et al

This is a continuation of the previous post titled (Part 1 of 3): Synopsis of articles & videos on Performance tuning, JVM, GC in Java, Mechanical Sympathy, et al. Without any ...
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Adding Social Sign In to a Spring MVC Web Application: Unit Testing

Spring Social 1.0 has a spring-social-test module which provides support for testing Connect implementations and API bindings. This module was removed from Spring Social 1.1.0, and ...
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ArrayList vs LinkedList

I must confess the title of this post is a little bit catchy. I have recently read this blog post and this is a good summary of  discussions & debates about this subject. But this ...
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Gradle Command-Line Conveniences

In my post A First Look at Building Java with Gradle, I briefly mentioned using Gradle‘s “gradle tasks” command to see the available tasks for a particular Gradle ...
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Extending Guava caches to overflow to disk

Caching allows you to significantly speed up applications with only little effort. Two great cache implementations for the Java platform are the Guava caches and Ehcache. While Ehcache ...
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An Alternative Multi-Producer Approach

Recently on InfoQ, Aliaksei Papou posted an article on some of his experiments with high performance interchange of messages between threads.  There were a number of examples within ...
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The Logging Olympics – A Race Between Today’s Top 5 Java Logging Frameworks

Developers: Takipi tells you when new code breaks in production –  Learn moreLog4J vs SLF4J simple vs Logback vs Java Util Logging vs LOG4J2 Logging is an age-old and intrinsic ...
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Proxies done right with Guava’s AbstractInvocationHandler

Not too often but sometimes we are forced to write custom dynamic proxy class using java.lang.reflect.Proxy. There is really no magic in this mechanism and it’s worth knowing ...
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Orika: Mapping JAXB Objects to Business/Domain Objects

This post looks at mapping JAXB objects to business domain objects with Orika. Earlier this month, I covered the same mapping use case using reflection-based Dozer. In this post, I’ll ...
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