Dealing with Interruptions

I was just watching the VJUG interview with Heinz Kabutz which inspired me to write a post about Interruptions. By…

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Java 8 Lambdas in One Line

If you understand this line, or better still can write this code you can pretty much say that you have…

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ChronicleMap – Java Architecture with Off Heap Memory

My last post was written a couple of weeks ago and after some valid feedback I’d like to clarify a…

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Creating Millions of Objects with Zero Garbage

As noted in First rule of performance optimisation, garbage is the enemy of fast code. Not only can it destroy any sort…

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Creating Web Services and a Rest Server with JAX-RS and Jetty

Creating a WebService in Java is remarkably easy. To add it to a ServletContainer and deploy it to an embedded…

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Take the IntelliJ Challenge!

It’s always a great idea to try and master the tools with which you work. I’m on a mission to…

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Starting out with jHiccup

After writing my post on ‘How to detect and diagnose slow code in production’ I was encouraged by a reader…

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Java 8 pitfall – Beware of Files.lines()

There’s a really nice new feature in Java8 which allows you to get a stream of Strings from a file…

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The Optimum Method to Concatenate Strings in Java

Recently I was asked this question – Is it bad for performance to use the + operator to concatenate Strings in…

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