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Writing Clean Tests – To Verify Or Not To Verify

When we write unit tests that use mock objects, we follow these steps:                    Configure the behavior of our mock objects. Invoke ...
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Maven Git Release

I need to start this post by stating that I’ve only started to work seriously with Git within the last year. Unfortunately, a lot of the projects that I work on are still using SVN ...
java-interview-questions-answers

Compile-time checking JPA queries

JPA provides several alternatives for querying data. Such alternatives may be classified attending to a variety of criteria, eg, language used (SQL vs JPQL) or whether queries are static ...
spring-interview-questions-answers

Spring MVC Integration Testing: Assert the given model attribute(s) have global errors

In order to report a global error in Spring MVC using Bean Validation we can create a custom class level constraint annotation. Global errors are not associated with any specific fields ...
java-interview-questions-answers

ADF: Popup, Dialog and Input Components

In this post I would like to focus on a very common use case when we have af:popup containing af:dialog with input components inside. There are a couple of pitfalls that we need to ...
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A beginner’s guide to JPA/Hibernate flush strategies

Introduction In my previous post I introduced the entity state transitions Object-relational mapping paradigm. All managed entity state transitions are translated to associated database ...
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Introducing Hadoop Development Tools

Few days back Apache Hadoop Development Tools a.k.a. HDT was released.  The projects aims at bringing plugins in eclipse to simplify development on Hadoop platform. This blog aims ...
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A new proximity query for Lucene, using automatons

The simplest Apache Lucene query, TermQuery, matches any document that contains the specified term, regardless of where the term occurs inside each document. Using BooleanQuery you ...
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Spring Batch as Wildfly Module

For a long time, the Java EE specification was lacking a Batch Processing API. Today, this is an essential necessity for enterprise applications. This was finally fixed with the JSR-352 ...
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Getting started with SwitchYard 2.0.0.Alpha1 on WildFly 8.1.0.Final

I’ve been sticking my head into some hot RedHat technologies lately and among the many interesting parts I found SwitchYard. Without being disrespectful towards everybody wrapping ...
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