Core Java
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Java’s Observer and Observable are Deprecated in JDK 9
In the blog post Applying JDK 9 @Deprecated Enhancements, I discussed additions of the optional elements (methods) forRemoval() and since()…
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JDK 9 Checklist: Project Jigsaw, sun.misc.Unsafe, G1, REPL, and More
Java 9 is (hopefully) months away, and it’s time to go over what’s about to change, and what you should…
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Integrating Gatling into a Gradle build – Understanding SourceSets and Configuration
I recently worked on a project where we had to integrate the excellent load testing tool Gatling into a Gradle based build.…
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Project Amber: The Future of Java Exposed
If all goes according to plan (Project Jigsaw we’re looking at you), Java 9 is set to launch in less…
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A Simple Map Iterator Performance Test
There are many dimensions of Java Map performance to measure, but a critical one is simple single-threaded scanning. Here is…
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[EBOOK] Top 10 Java Performance Problems
Interested to learn more? Then you should download the relevant ebook here. Most performance issues in Java can be attributed…
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Apache Spark RDD and Java Streams
A few months ago, I was fortunate enough to participate in a few PoCs (proof-of-concepts) that used Apache Spark. There,…
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Java 9 Module System (Jigsaw) @ LJC’s HackTheTower
Today we spent half a day, on our first HackTheTower event. Members of London’s Java User Group (aka LJC), gathered on the…
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Setting multiple Java JRE/ JDK on MacOSX using brew, cask and jenv
Yesterday at the Java9, Jigsaw HackTheTower event, I realized that I need to step up my game and improve my existing…
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