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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 an article that convinces me that immutable means thread safety. ...
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MapReduce: Working Through Data-Intensive Text Processing

It has been a while since I last posted, as I’ve been busy with some of the classes offered by Coursera. There are some very interesting offerings and is worth a look. Some time ago, ...
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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, though popular, test samples. But I’m not a professional critic (also ...
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Pure Java JavaFX 2.0 Menus

In recent posts on JavaFX, I have focused on using JavaFX 2.0’s new Java APIs without use of the JavaFX 1.x’s JavaFXScript and without use of JavaFX 2.0’s new FXML. ...
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Useful Ant build tags

Questions: How to do following tasks in ant file?Make zip file. Run command. Copy files to remote machine. Run commands on Remote Linux machine. Open an input box and respond ...
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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 developer can reasonably recover from the exception, while unchecked exceptions ...
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The crystal ball illusion

I have noticed that people sometimes avoid doing thorough testing. This may sound as bogus to some, but hear me out… I do understand why this happen. Tests can create a feeling of ...
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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, here, and here. However, when a particular Java application is not able ...
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NUMA architecture and Java

Time to deploy your application, looking forward to procure hardware that suits best to the load requirements. Boxes with 40 cores or 80 cores are pretty common these days. General ...
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JavaFX Game (Connect Four)

This is my first JavaFX game tutorial and my first blog post about JavaFX panel. I made this connect four game with just 200+ lines of code just enough for a simple game. I used the ...
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