Core Java
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JavaOne 2012: Java Strategy Keynote and IBM Keynote
I had a rough start to JavaOne 2012 similar to that at JavaOne 2010. It took 70 minutes for the…
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Google Guava v07 examples
We have something called Weekly Technology Workshops at TouK, that is, every Friday at 16:00 somebody has a presentation for…
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Observer Design Pattern in Java
‘Don’t call us, we’ll call you’… that’s the Hollywood OO (Object Oriented) Principle and it’s exactly what the Observer pattern…
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Java Code Quality Tools – Overview
Recently, I had a chance to present the subject at the local IT community meetup. Here is the basic presentation:…
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Does Immutability really means Thread Safety?
I have often read articles telling “If an object is immutable, it is thread safe”. Actually, I have never found…
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Test Driven Traps, part 2
The Story of a Unit in Unit Tests In the previous part of this article, you could see some bad,…
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Checked and unchecked exceptions in Java
Java has two types of exceptions – checked and unchecked. In short – checked are meant for cases when the…
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Guava Files: Java File Management
Both Groovy and Java SE 7 provide improvements for file management in Java as I discussed in posts here, here,…
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Is Java Dead or Invincible?
Writer Isaac Asimov once said that ‘the only constant is change’. That isn’t just a phrase in the software industry,…
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