Java 8 Friday: Better Exceptions

At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled…

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Java 8 default methods can break your (users’) code

At first glance, default methods brought a great new feature to the Java Virtual Machine’s instruction set. Finally, library developers…

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Too Fast, Too Megamorphic: what influences method call performance in Java?

Whats this all about then? Let’s start with a short story. A few weeks back I proposed a change on…

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Java 8 Friday: Language Design is Subtle

At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled…

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The effects of programming with Java 8 Streams on algorithm performance

Multi-paradigm programming with Java has been possible for many years, with its support for a mix of service oriented, object…

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Java 8 : Functional Interface Example

To Support lambda expressions in Java 8, they introduced Functional Interfaces. An interface which has Single Abstract Method can be…

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Java 8 Features Tutorial – The ULTIMATE Guide (PDF Download & video)

EDITORIAL NOTE: In this post, we feature a comprehensive Java 8 Features Tutorial.  It’s been a while since Java 8…

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10 Features in Java 8 You Haven’t Heard Of

Lambdas lambdas lambdas. That’s all you ever hear about when talking about Java 8. But that’s just one part. Java…

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Using AssertJ and Awaitility together thanks to Java 8 and lambdas

AssertJ and Awaitility are two of my favorites tools using in automatic code testing. Unfortunately until recently it was not…

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