Core Java
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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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How to Map Distinct Value Types Using Java Generics
Occasionally the average developer runs into a situation where he has to map values of arbitrary types within a particular…
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Create your own AOP in Java
Introduction As you know AOP is one of the best features provided by Spring framework which provides utmost flexibility while…
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Interface Evolution With Default Methods – Part I: Methods
A couple of weeks back we took a detailed look into default methods – a feature introduced in Java 8…
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