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JAXB and java.util.Map

Is it ironic that it can be difficult to map the java.util.Map class in JAXB (JSR-222)? In this post I will cover some items that will make it much easier. Java Model Below is the Java ...
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Hunting down memory leaks: a case study

A week ago I was asked to fix a problematic webapp suffering from memory leaks. How hard can it be, I thought – considering that I have both seen and fixed hundreds of leaks over ...
java-interview-questions-answers

Expressive JAX-RS integration testing with Specs2 and client API 2.0

No doubts, JAX-RS is an outstanding piece of technology. And upcoming specification JAX-RS 2.0 brings even more great features, especially concerning client API. Topic of today’s ...
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Recent Java 8 News

Java 8 developments are starting to dominate the news again. Recent posts cover extending Milestone 7 of JDK 8 to ensure its feature complete, the Date/Time API now available in Java ...
java-interview-questions-answers

Advanced ListenableFuture capabilities

Last time we familiarized ourselves with ListenableFuture. I promised to introduced more advanced techniques, namely transformations and chaining. Let’s start from something straightforward. ...
spring-interview-questions-answers

Implement Bootstrap Pagination With Spring Data And Thymeleaf

Twitter Bootstrap has a very nice pagination UI, and here I will show you how to implement it with Spring Data Web pagination function and Thymeleaf conditional evaluation features. Standard ...
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My Custom Thread Pool Executor in Java

ThreadPoolExecutor is a feature added by java concurrent api to maintain and reuse threads efficiently , so that our programs don’t have to worry about creating and destroying ...
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Devoxx UK free ticket giveaway – Roundup

Fellow geeks, Our giveaway of a £350 Devoxx UK 2013 London community conference ticket has ended. You may find the original post for the competition here. The Prize Winner The lucky ...
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Difference between Comparator and Comparable in Java

One of the common interview question is ‘What are differences between Comparator and Comparable’. or ‘How will you sort collection of employee objects by its id or ...
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Observer design pattern in Java

As the name suggests it is used for observing some objects.Observer watch for any change in state or property of subject.Suppose you are interested in particular object and want to ...
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