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NetBeans 7.1: Create a Custom Hint

I have talked about some of my favorite NetBeans hints in the posts Seven NetBeans Hints for Modernizing Java Code and Seven Indispensable NetBeans Java Hints. The fourteen hints covered ...
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What’s Cooking in Java 8 – Project Jigsaw

What is Project Jigsaw: Project Jigsaw is the project to make the java compiler module aware. For years java API has been monolithic, i.e. the whole API was seen from any part of the ...
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JUnit and Hamcrest: Improving On assertEquals

In my blog post Are Static Imports Becoming Increasingly Accepted in Java?, I discussed the increasing use of static imports in Java to make code more fluent in certain contexts. Unit ...
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Secure Encryption in Java

Last time I wrote about cryptography, I outlined Apache Shiro crypto API and shown how to use its two symmetric ciphers. I also wrote that “You do not need more to encrypt and ...
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Threading stories: ThreadLocal in web applications

This week I spend reasonable time to eliminate all our ThreadLocal variables in our web applications. The reason was that they created classloader leaks and we coudn’t undeploy ...
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Runtime vs Compile-Time Classpath

This should really be a simple distinction, but I’ve been answering a slew of similar questions on Stackoverflow, and often people misunderstand the matter. So, what is a classpath? ...
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HPROF – Memory leak analysis tutorial

This article will provide you with a tutorial on how you can analyze a JVM memory leak problem by generating and analyzing a Sun HotSpot JVM HPROF Heap Dump file. A real life case ...
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Java Thread CPU analysis on Windows

This article will provide you with a tutorial on how you can quickly pinpoint the Java Thread contributors to a high CPU problem on the Windows OS. Windows, like other OS such as Linux, ...
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Using the final keyword on method parameters

After some own confusion which specific meaning final declared method parameters have this blog entry will try to clarify this. At least the final keyword on method parameters can ...
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Java Concurrency with ReadWriteLock

Writing multithreaded java applications is not a piece of cake. Extra care must be taken because bad synchronization can bring your application to its knees. The JVM heap is shared ...
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