Core Java
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Should you trust the default settings in JVM?
JVMs are considered smart nowadays. Not much configuration is expected – just set the maximum heap to use in the…
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Java EE 7 Community Survey Results!
Work on Java EE 7 presses on under JSR 342. Things are shaping up nicely and Java EE 7 is…
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Increasing heap size – beware of the Cobra Effect
The term ‘Cobra effect’ stems from an anecdote set at the time of British rule of colonial India. The British…
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How to Create Extensible Java Applications
Many applications benefit from being open to extension. This post describes two ways to implement such extensibility in Java. Extensible…
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Of Hacking Enums and Modifying ‘final static’ Fields
In this newsletter, originally published in The Java Specialists’ Newsletter Issue 161 we examine how it is possible to create…
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Do you get Just-in-time compilation?
Remember the last time when you were laughed at by C-developers? That the Java is so slooooow that they would…
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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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