Core Java
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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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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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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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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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Should you trust the default settings in JVM?
JVMs are considered smart nowadays. Not much configuration is expected – just set the maximum heap to use in the…
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Java EE 7 Community Survey Results!
Work on Java EE 7 presses on under JSR 342. Things are shaping up nicely and Java EE 7 is…
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Increasing heap size – beware of the Cobra Effect
The term ‘Cobra effect’ stems from an anecdote set at the time of British rule of colonial India. The British…
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How to Create Extensible Java Applications
Many applications benefit from being open to extension. This post describes two ways to implement such extensibility in Java. Extensible…
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Of Hacking Enums and Modifying ‘final static’ Fields
In this newsletter, originally published in The Java Specialists’ Newsletter Issue 161 we examine how it is possible to create…
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