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Core Java
The Java ByteBuffer – a crash course
In my experience, java.nio.ByteBuffer is a source of confusion and subtle bugs when developers first encounter it, because it is…
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Core Java
Should I use a 32- or a 64-bit JVM?
This is a question I have faced several times during my career in enterprise software development. Every once in awhile…
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Core Java
Escaping the JVM heap for memory intensive applications
If you’ve ever allocated large Java heaps, you know that at some point – typically starting at around 4 GiB…
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Groovy
Groovy: Multiple Values for a Single Command-line Option
One of the many features that makes Groovy an attractive scripting language is its built-in command-line argument support via CliBuilder.…
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Core Java
ANTLR – Semantic Predicates
Parsing simple grammar with antlr is simple. All you have to do is to use regular expressions to describe your…
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Enterprise Java
Checking out what is new with Servlet 3.0
With the JEE6 specification hitting the market, some major changes have taken place with respect to how you would approach…
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Core Java
Functional Java collections
There is a lot of functional hype these days so I would give a short overview on what is out…
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Enterprise Java
Getting started with Quartz Scheduler on MySQL database
Here are some simple steps to get you fully started with Quartz Scheduler on MySQL database using Groovy. The script…
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Core Java
Why can’t I turn off the Garbage Collector?
Let’s start with a quick rewind to the early days of my career as a Java developer. I wanted to…
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