Core Java
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Nifty JUnit : Using Rule on Method and Class level
As shown in a the post Nifty JUnit : Working with temporary files, it is possible to use @Rule in…
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Java IO Benchmark: Quasar vs. Async ForkJoinPool vs. managedBlock
“Arien got in touch with us on twitter after seeing the results of a parallelStreams and ForkJoin benchmark we ran. It piqued his…
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IntelliJ IDEA internal design
The first version of IntelliJ IDEA was released in January 2001, and at that time it was one of the first…
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JDK 8 Streams and Grouping
I wrote about the powerful features of using JDK 8‘s Streams with Java collections in the post Stream-Powered Collections Functionality…
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Test Collection Implementations with Guava
I’m currently adding a new feature to LibFX, for which I create some custom collections akin to those from the…
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Walking Recursive Data Structures Using Java 8 Streams
The Streams API is a real gem in Java 8, and I keep finding more or less unexpected uses for…
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The Java Legacy is Constantly Growing
I’ve recently stumbled upon a very interesting caveat of the JDK APIs, the Class.getConstructors() method. Its method signature is this:…
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Mapreduce in Java8
Wordcount is to Mapreduce what “Hello world” is for rest of the programming world. Recently I have been exploring some…
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Avoid Recursion in ConcurrentHashMap.computeIfAbsent()
Sometimes we give terrible advice. Like in that article about how to use Java 8 for a cached, functional approach…
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