On Java 8’s introduction of Optional

I had recently discovered the JDK 8′s addition of the Optional type. The Optional type is a way to avoid…

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Inadvertent Recursion Protection with Java ThreadLocals

Now here’s a little trick for those of you hacking around with third-party tools, trying to extend them without fully…

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How to Design a Good, Regular API

People have strong opinions on how to design a good API. Consequently, there are lots of pages and books in…

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Java Collections API Quirks

So we tend to think we’ve seen it all, when it comes to the Java Collections API. We know our…

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Easy Mocking of Your Database

Test-driven development is something wonderful! Once you’ve established it in your organisation, you will start to: Greatly improve your quality…

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Bloated JavaBeans – Don’t Add “Getters” to Your API

I have recently blogged about an idea how JavaBeans™ could be extended to reduce the bloat created by this widely-accepted…

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Java, if this were a better world

Just a little dreaming about a better world, where some old blunders in the Java platform would’ve been corrected and…

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Defensive API evolution with Java interfaces

API evolution is something absolutely non-trivial. Something that only few have to deal with. Most of us work on internal,…

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Database Abstraction and SQL Injection

I have subscribed to various user groups of jOOQ’s competing database abstraction tools. One of which is ActiveJDBC, a Java…

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