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Testing secured EJBs with Arquillian

Testing secured EJBs has been historically hard to get right. Up until now, I have been using proprietary techniques like JBossLoginContextFactory described in the article Testing secured ...
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Java performance tuning survey results (part III)

This is the third post in a series where we analyze the results of a survey conducted in October 2014. If you have not already done so, I recommend to start with the first two posts ...
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Need micro caching? Memoization to the rescue

Caching solves wide sort of performance problems. There are many ways to integrate caching into our applications. For example when we use Spring there is easy to use @Cacheable support. ...
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Getting Started with Apache Cassandra and Java (Part I)

On this page, you’ll learn just enough to get started with NoSQL Apache Cassandra and Java, including how to install, try out some basic commands and what to do next. Requirements To ...
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Some Sentences about Java

There is nothing new in this article. I just collected some trivial statements which may not be trivial for some of the junior programmers programmers. Boring old stuff. If you happen ...
java-interview-questions-answers

JPA Entity Graphs

One of the latest features in JPA 2.1 is the ability to specify fetch plans using Entity Graphs. This is useful since it allows you to customise the data that is retrieved with a query ...
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How to get rid of focus highlighting in JavaFX

Today I was asked if I know a way to get rid of the focus-highlighting of JavaFX controls (respectively buttons):                  Most ...
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Unit Testing exercise with FizzBuzz and Mockito

I sometimes use FizzBuzz to demonstrate the basics of unit testing to newbies. Although FizzBuzz is really simple problem, it can also be used to demonstrate more advanced unit testing ...
spring-interview-questions-answers

Externalizing session state for a Spring-boot application using spring-session

Spring-session is a very cool new project that aims to provide a simpler way of managing sessions in Java based web applications. One of the features that I explored with spring-session ...
java-interview-questions-answers

A common CXF Request Interceptor for all OSGi Bundles

I have been working on Apache CXF, Karaf, Felix from path few months and i find all these bundled technologies very interesting to work with. While working on some use cases i have ...
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