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Stateless EJBs: Pooling and Lifecycle

A summarized view (notes) of the Stateless EJB pooling and life-cycle. Useful for newbies . . . . . EJB Pooling: Quick OverviewEJB instances are stored in a location known as the ...
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Chronicle and low latency in Java

Overview I was watching this excellent presentation by Rolan Kuhn of Typesafe on Introducing Reactive Streams At first glance it appears that it has some similar goals to Chronicle, ...
spring-interview-questions-answers

Spring Java Configuration: Session timeout

We live in a nice time, when you can develop a Spring application using java based configuration. No redundant XML code any more, just pure java code. In this article I want to discuss ...
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Java 8 Features Tutorial – The ULTIMATE Guide (PDF Download)

EDITORIAL NOTE: It’s been a while since Java 8 is out in the public and everything points to the fact that this is a really major release. We have provided an abundance of tutorials ...
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Continuous Integration with JBoss Fuse, Jenkins and Nexus

Recently I was putting together a quickstart Maven project to show a possible approach to the organization of a JBoss Fuse project. The project is available on Github here: https://github.com/paoloantinori/fuse_ci And ...
spring-interview-questions-answers

Spring MVC and Thymeleaf: how to acess data from templates

In a typical Spring MVC application, @Controller classes are responsible for preparing a model map with data and selecting a view to be rendered. This model map allows for the complete ...
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Writing Clean Tests – It Starts from the Configuration

It is pretty hard to figure out a good definition for clean code because everyone of us has our own definition for the word clean. However, there is one definition which seems to be ...
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Three-State Booleans in Java

Every now and then, I miss SQL’s three-valued BOOLEAN semantics in Java. In SQL, we have:TRUE FALSE UNKNOWN (also known as NULL)Every now and then, I find myself in a situation ...
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Common Java Myths

These are questions which are likely to be too advanced to ask in any interview as they may just put candidates off.  Never the less, they may be work practising in your own time.                 Myth ...
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The effects of programming with Java 8 Streams on algorithm performance

Multi-paradigm programming with Java has been possible for many years, with its support for a mix of service oriented, object oriented and aspect oriented programming. Java 8 with its ...
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