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Java concurrency: the hidden thread deadlocks

Most Java programmers are familiar with the Java thread deadlock concept. It essentially involves 2 threads waiting forever for each other. This condition is often the result of flat ...
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How aggressive is method inlining in JVM?

Ctrl + Alt + M is used in IntelliJ IDEA to extract method. Ctrl + Alt + M. It’s as simple as selecting a piece of code and hitting this combination. Eclipse also has it. I hate ...
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Multiple Java JDK(s), on your MacOSX environment

Yet again, a small tip towards configuring your Java development environment on a Mac (OSX 10.8.x+). If you are really starting right now,  I recommend you read  one of my previous ...
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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 some awesome missing features would’ve been implemented. Don’t ...
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Using Google Guava’s Ordering API

We’ve been playing a bit more with Google’s Guava library – what a great library! The most recent thing we used it for was to sort out the comparators for our domain objects. ...
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Java 8: From PermGen to Metaspace

As you may be aware, the JDK 8 Early Access is now available for download. This allows Java developers to experiment with some of the new language and runtime features of Java 8. One ...
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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, proprietary APIs every day. Modern IDEs ship with awesome ...
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40 Java Collections Interview Questions and Answers

Java Collections Framework are the fundamental aspect of java programming language. It’s one of the important topic for java interview questions. Here I am listing some important ...
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Static factory methods vs traditional constructors

I’ve previously talked a little bit about the Builder Pattern, a useful pattern to instantiate classes with several (possibly optional) attributes that results in easier to read, ...
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The ins and outs of immutability

So in my first post I talked a little bit about the builder pattern and I mentioned a really powerful but yet overlooked concept: immutability. What is an immutable class? It’s simply ...
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