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Running Java Mission Control and Flight Recorder against WildFly and EAP

Java Mission Control (JMC) enables you to monitor and manage Java applications without introducing the performance overhead normally associated with these types of tools. It uses data ...
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Thread local storage in Java

One of the rarely known features among developers is Thread-local storage.  The idea is simple and need for it comes in  scenarios where we need data that is … well local for ...
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How and Why is Unsafe used in Java?

Overview sun.misc.Unsafe has been in Java from at least as far back as Java 1.4 (2004). In Java 9, Unsafe will be hidden along with many other, for-internal-use classes. to improve ...
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Lightweight Integration with Java EE and Camel

Enterprise Java has different flavors and perspectives. Starting at the plain platform technology, which is well known as Java EE over to different frameworks and integration aspects ...
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RabbitMQ – Processing messages serially using Spring integration Java DSL

If you ever have a need to process messages serially with RabbitMQ with a cluster of listeners processing the messages, the best way that I have seen is to use a “exclusive consumer” ...
java-interview-questions-answers

Updates on CDI 2.0

CDI 2.0 is the next version of Contexts and Dependency Injection for the Java EE Platform and a candidate for inclusion in Java EE 8. It is being worked upon since September 2014 and ...
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Really Too Bad that Java 8 Doesn’t Have Iterable.stream()

This is one of the more interesting recent Stack Overflow questions: Why does Iterable not provide stream() and parallelStream() methods? At first, it might seem intuitive to make it ...
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Creating a REST API with Spring Boot and MongoDB

This year I greeted Christmas in a different fashion: I was a part of the Java Advent Calendar. Let’s boot up for Christmas: Spring Boot is an opinionated framework that simplifies ...
java-interview-questions-answers

5 ways to initialize lazy relations and when to use them

Lazy loading of relations between entities is a well established best practice in JPA. Its main goal is to retrieve only the requested entities from the database and load the related ...
java-interview-questions-answers

One Jar To Rule Them All: Arquillian + Java 8

With Java 8, a lot of new language improvements have been implemented for making life of developer easier. In my opinion, one of the greatest things it has Java 8 is that in some situations ...
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