Core Java
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Java Annotations – Retention
Consider a Java annotation: public @interface AnAnnotaton { } A class with this annotation applied on it: @AnAnnotaton class AnAnnotatedClass{…
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A Generic and Concurrent Object Pool
In this post we will take a look at how we can create an object pool in Java. In recent…
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Java: Choosing the right Collection
Here is a quick guide for selecting the proper implementation of a Set , List , or Map in your application. The best general purpose or…
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Common code violations in Java
At work, recently I did a code cleanup of an existing Java project. After that exercise, I could see a…
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Java Memory Profiling Simplified
As a typical Java developer I never monitored the memory usage of my application apart from following typical best practices…
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Changing delay, and hence the order, in a DelayQueue
So I was looking at building a simple object cache that expires the objects after a given time. The obvious…
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Project Jigsaw: The Consequences of Deferring
Mr. Mark Reinhold has announced in July 2012 that they were planning to withdraw Project Jigsaw from Java 8 because…
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Resource Bundle Tricks and Best Practices
Today is resource bundle day. This is the most well known mechanism for internationalization (i18n) in Java in general. Working…
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BTrace: hidden gem in Java developer toolbox
This post is about BTrace which I am considering as a hidden gem for Java developer. BTrace is a safe,…
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