Java
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Java 8: Lambda Expressions vs Auto Closeable
If you used earlier versions of Neo4j via its Java API with Java 6 you probably have code similar to…
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An open source JVM Sampling Profiler
It’s a well known deficiency of most existing sampling Java profilers that their collection of stack traces has to happen…
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Lessons learned: ActiveMQ, Apache Camel and connection pooling
Every once in a while, I run into an interesting problem related to connections and pooling with ActiveMQ, and today…
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Allocating memory for the JVM: a case study
This post is about a recent performance tuning exercise. As always, these start with vague statements about symptoms. This time…
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Synthetic and bridge methods
If you have ever played with reflection and executed getDeclaredMethods() you may have been surprised. You may get methods that…
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Common gotchas in Java
Overview Java is a minimalist language with deliberately less features than other languages, never the less it has edge cases…
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Functional Programming with Java 8 Lambda Expressions – Monads
What is a monad?: A monad is a design pattern concept used in mostly functional programming languages like lisp or…
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Developing Java EE applications with Maven and WebLogic 12c
The WebLogic Server 12c has very nice support for Maven now. The doc for this is kinda hidden though, so…
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Detecting (write) failures when using memory mapped files in Java
Memory mapped files are a good and often overlooked tool. I won’t go into the details here on how they…
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