Core Java
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Decorate with decorator design pattern
Decorator pattern is one of the widely used structural patterns. This pattern dynamically changes the functionality of an object at…
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Changes to String.substring in Java 7
It is common knowledge that Java optimizes the substring operation for the case where you generate a lot of substrings…
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Dynamic hot-swap environment inside Java with atomic updates
One could argue that the above title can be shortened as OSGi, and I want to discard that thought process…
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Devoxx 2012: Java 8 Lambda and Parallelism, Part 1
Overview Devoxx, the biggest vendor-independent Java conference in the world, took place in Atwerp, Belgium on 12 – 16 November.…
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Composing Java annotations
The allowed attribute types of a Java annotations are deliberately very restrictive, however some clean composite annotation types are possible…
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Wordcounter, Counting Words in Java with Lambdas and Fork/Join
These days I released Wordcounter, a Java library and command-line utility for counting words in text files and performing analysis…
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Java Management Extensions
What is JMX? The Java Management Extensions (JMX) is an API used for managing or monitoring various resources such as…
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Who is stealing your memory? The Application Servers Edition
You create an amazing app. You put it into production. And you notice that you justdo not have enough memory…
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Guava Splitter vs StringUtils
So I recently wrote a post about good old reliable Apache Commons StringUtils, which provoked a couple of comments, one…
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