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JUnit Rules

The first time I stumbled over a JUnit @Rule annotation I was a bit irritated of the concept. Having a public field in a test case seemed somewhat odd and so I was reluctant to use ...
spring-interview-questions-answers

Spring: Setting Logging Dependencies

This post describes how to set-up logging dependencies in Spring. It is based on information available in a post by Dave Syer’s. A reminder on Java logging frameworks is available here. ...
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Testing Hadoop Programs with MRUnit

 This post will take a slight detour from implementing the patterns found in Data-Intensive Processing with MapReduce to discuss something equally important, testing. I was inspired ...
spring-interview-questions-answers

Method Parameter Names and Spring

Continuing on the previous blog entry about Constructor and method parameters and Java not retaining the parameter names at runtime – the previous entry was about constructor ...
spring-interview-questions-answers

Spring MVC Form Validation (With Annotations)

This post provides a simple example of a HTML form validation. It is based on the Spring MVC With Annotations example. The code is available on GitHub in the Spring-MVC-Form-Validation ...
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Lets Crunch big data

As developers our focus is on simpler, effective solutions and thus one of the most valued principle is “Keep it simple and stupid”. But with Hadoop map-reduce it was a bit hard ...
spring-interview-questions-answers

Spring Constructor Injection and Argument names

At runtime, java classes do not retain the name of the constructor or method parameters, unless classes are compiled with debug options on.This has some interesting implications ...
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Advanced ZK: Asynchronous UI updates and background processing – part 2

Introduction In part 1 I showed how server push and threads can be used to execute background tasks in a ZK application. However, the simple example had a major flaw that makes it a ...
java-interview-questions-answers

Rest using Jersey – Complete Tutorial with JAXB, Exception Handling and Client Program

Recently I started working on a Restful web service project using Jersey API. There are some tutorials available online but I faced some issues with exception handling and I didn’t ...
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Batoo JPA – 15x Faster Than The Leading JPA Provider

Introduction I loved the JPA 1.0 back in early 2000s. I started using it together with EJB 3.0 even before the stable releases. I loved it so much that I contributed bits and parts ...
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