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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 never even consider using a language like this? In many ways, the concept ...
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Getting started with Apache Camel

In a previous blog-post we got to know about enterprise integration patterns (EIPs). Now in this post we will look into Apache Camel framework that realizes those patterns.                 About ...
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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 runtime without impacting the existing functionality ...
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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 of the same source string. It does this by using the (value, offset, ...
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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 at the very beginning. No offense to OSGi, it is a great specification which ...
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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. This year it was bigger yet, reaching 3400 attendees ...
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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 with the allowed types.                     Consider ...
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Securing your Tomcat app with SSL and Spring Security

If you’ve seen my last blog, you’ll know that I listed ten things that you can do with Spring Security. However, before you start using Spring Security in earnest one of ...
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A Guide To Authenticating Users With Mozilla Persona

Having only twitter and facebook authentication so far, I decided to add Mozilla Persona to the list for my latest project (computoser, computer-generated music). Why?                I ...
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Hazelcast Distributed Execution with Spring

The ExecutorService feature had come with Java 5 and is under java.util.concurrent package. It extends the Executor interface and provides a thread pool functionality to execute asynchronous ...
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