Core Java
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Beauty and strangeness of generics
Recently, I was preparing for my Oracle Certified Professional, Java SE 7 Programmer exam and I happened to encounter some rather…
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Listing and filtering directory contents in NIO.2
There hasn’t been much happening in the area of listing directory contents until the release of Java 7. But since…
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Java 8 Optional: How to Use it
Java 8 comes with a new Optional type, similar to what is available in other languages. This post will go…
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Java 8 Friday: Most Internal DSLs are Outdated
At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled…
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Simplifying trading system with Akka
My colleagues are developing a trading system that processes quite heavy stream of incoming transactions. Each transaction covers one Instrument…
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Java 8 StampedLocks vs. ReadWriteLocks and Synchronized
Synchronized sections are kind of like visiting your parents-in-law. You want to be there as little as possible. When it…
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InterruptedException and interrupting threads explained
If InterruptedException wasn’t checked exception, probably no one would even notice it – which would actually prevent couple of bugs…
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Law of Demeter in Java – Principle of least Knowledge – Real life Example
Law of Demeter also known as principle of least knowledge is a coding principle, which says that a module should…
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