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java-interview-questions-answers

Mockito – Extra Interfaces with annotations and static methods

In the code I have quite recently came across a really bad piece of code that based on class casting in terms of performing some actions on objects. Of course the code needed to be ...
java-interview-questions-answers

How Many Threads Does It Take to Fill a Pool?

In recent months we have been seeing a small but persistent percentage of our operations fail with a strange exception – org.springframework.jdbc.CannotGetJdbcConnectionException  ...
oracle-glassfish-logo

MOXy is the New Default JSON-Binding Provider in GlassFish 4

GlassFish 4 is now available offering the complete Java EE 7 (JSR-342) platform.  EclipseLink made some major contributions to this release.  The first is providing the JPA 2.1 (JSR-338) ...
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Java testing with Selenium and dynamic ids in html

One of the cool aspects of Selenium, is that not only can you record yourself using a site, you can actually run this as a junit test. Firstly, I’ll install Selenium in Firefox ...
oracle-weblogic-logo

Taming the JMX on WebLogic Server

Let assume couple things first:I assume you have heard of Java’s JMX features and familiar what it does (expose and manage your service remotely). You ought to know that default ...
json-logo

Parsing ESPN API using Java and Google GSON

For my first post, I’ll explain how to parse the ESPN API.  The API documentation can be found at http://developer.espn.com/docs. Firstly, you’ll need to request an API ...
spring-interview-questions-answers

Spring MVC: Validator and @InitBinder

It’s hard to imagine a web-application which doesn’t has some validation logic for an user data. Almost all user’s data has some constraints, e.g. date of birth should consist ...
java-interview-questions-answers

Searchable documents? Yes You Can. Another reason to choose AsciiDoc

Elasticsearch is a flexible and powerful open source, distributed real-time search and analytics engine for the cloud based on Apache Lucene which provides full text search capabilities. ...
oracle-glassfish-logo

GlassFish 4 brings Java EE 7

What a surprise. Apple had nothing to offer at wwdc except the new iOS 7 launch. Might be coincidence that shortly after their keynote another 7 made an official appearance. GlassFish ...
java-logo

Guava’s EventBus – Simple Publisher/Subscriber

Looking over recent additions to Google’s Guava Libraries Release 10 I noticed the addition of EventBus. This is a lightweight implementation of a publish-subscribe style messaging ...
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