Core Java
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The Optimum Method to Concatenate Strings in Java
Recently I was asked this question – Is it bad for performance to use the + operator to concatenate Strings in…
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Why is my JVM having access to less memory than specified via -Xmx?
“Hey, can you drop by and take a look at something weird”. This is how I started to look into…
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Java development tools for a programming boost !
Java developers usually try to find ways to write quality Java code, quick and efficient, to make their programming life…
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Byteman – a swiss army knife for byte code manipulation
I am working with a bunch of communities in JBoss and there is so much interesting stuff to talk about,…
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Java Concurrency Tutorial – Locking: Explicit locks
1. Introduction In many cases, using implicit locking is enough. Other times, we will need more complex functionalities. In such…
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Value-Based Classes
In Java 8 some classes got a small note in Javadoc stating they are value-based classes. This includes a link…
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Default methods and multiple inheritance
Recently Lukas JOOQ Eder posted and article about nested classes and their use. This is an interesting topic and his…
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How to detect and diagnose slow code in production
One of the more difficult tasks that a developer faces is finding and diagnosing slow running code in production. Firstly…
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XSL Transformation in Java: An Easy Way
XSL transformation (XSLT) is a powerful mechanism for converting one XML document into another. However, in Java, XML manipulations are…
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