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Spring MVC – @RequestBody and @ResponseBody demystified

In this post i want to dig into spring mvc a little, revealing what happens behind the scenes when a request is converted to your parameter object and vice versa. Before we start, i ...
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Spring MVC: REST application with CNVR vol. 1

Not so long time ago I have read an article written by Paul Chapman about Content Negotiating View Resolver (CNVR). That post on a Spring Framework Blog inspired me to investigate this ...
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Run your Unit Tests in Parallel

It was about time when the developer of Unit Tests had the ability to run the tests in Parallel using annotations. In today’s blog post, we will look at how you can make your ...
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Java FutureTask Example Program

Sometime back I wrote a post about Java Callable Future interfaces that we can use to get the concurrent processing benefits of threads as well as they are capable of returning value ...
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Java Priority Queue (PriorityQueue) Example

We know that Queue follows First-In-First-Out model but sometimes we need to process the objects in the queue based on the priority. For example, let’s say we have an application ...
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DSL based approach to input Graph data in graph theory based java programs

Most of us have coded some programs which deal with graph theory algorithms like finding the shortest path between two vertices, finding the minimum spanning tree for a given graph ...
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Log4j 2: Performance close to insane

Recently a respected member of the Apache community tried Log4j 2 and wrote on Twitter: @TheASF #log4j2 rocks big times! Performance is close to insane ^^ http://t.co/04K6F4Xkaa — ...
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ArrayList Using Memory Mapped File

Introduction In-Memory computing is picking up due to affordable hardware, most of the data is kept in RAM to meet latency and throughput goal, but keeping data in RAM create Garbage ...
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Passivation and Activation of View Objects with Transient Attributes

Within passivation/activation cycle of application modules the framework passivates and activates view objects as well. Usually the framework saves information about VO’s state, ...
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Monitor full page, non AJAX, requests to be notified

Recently, working on new charts and chart “exporting service” in JSF, I’ve faced a quite common problem. When you execute a long-running task (action), you would like ...
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