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Java Thread: retained memory analysis

This article will provide you with a tutorial allowing you to determine how much and where Java heap space is retained from your active application Java threads. A true case study from ...
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Easier Multi-Field Validation with JSF 2.0

One of the most frequent needs when developing application forms is multi-field validation (or cross-field, but I’m not using this term because when I put it on Google I actually ...
java-interview-questions-answers

Waiting for the right moment – in integration testing

When you have to test multi-threaded programs, there is always the need to wait until the system arrives at a particular state, at which point the test can verify that the proper state ...
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Lucene – Quickly add Index and Search Capability

What is Lucene? Apache LuceneTM is a high-performance, full-featured text search engine library written entirely in Java. It is a technology suitable for nearly any application that ...
java-interview-questions-answers

Collection creation and Immutability with Google Guava

So, thought I’d take a look at some of the collection creation patterns Guava offers, and also some of the Immutable collection types it offers. If you’ve not seen my previous ...
java-interview-questions-answers

Java EE 6 Web Profile. On the cloud. Easy.

Java SE is ok. Java EE is evil. That’s what I always used to think. Well, not anymore, now. Let me share my experience. Some weeks ago, I started thinking about porting a legacy ...
java-interview-questions-answers

Google Guava Multisets

Continuing this tour of Guava we get to the Multiset. I probably don’t use this as much as Multimaps or Bimaps, but it certainly does have it’s uses. So what’s a Multiset ...
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Migrating a Large Project from Ant to Maven

The truth is we had been under difficult times. We spent almost three months to migrate our build mechanism from Ant to Maven. That’s the minimum time you have to put in your ...
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A Selenium/WebDriver example in Java

A couple of years back, I was pitching for some work and the client wanted to see how I would tackle a real world problem. They asked me to automate some tasks on the woot.com web site. The ...
java-interview-questions-answers

JAXB – Representing Null and Empty Collections

Demo Code The following demo code will be used for all the different versions of the Java model. It simply sets one collection to null, the second to an empty list, and the third to ...
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