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Guaranteed messaging for topics, the JMS spec, and ActiveMQ

Recently a customer asked me to look closer at ActiveMQ’s implementation of “persistent” messages, how it applies to topics, and what happens in failover scenarios when there ...
spring-interview-questions-answers

Spring Scoped Proxy

Consider two Spring beans defined this way: @Component class SingletonScopedBean{ @Autowired private PrototypeScopedBean prototypeScopedBean; public String ...
javafx-logo

Integrating JavaFX and Swing

I’ve just finished rewriting a component of my app that was using Swing and now is using JavaFX, I’ve ended up with a JavaFX component that integrates with the larger swing app. ...
spring-interview-questions-answers

Observer Pattern with Spring Events

INTRODUCTIONThe essence of the Observer Pattern is to ‘Define a one-to-many dependency between objects so that when one object changes state, all its dependents ...
java-logo

Which Java thread consumes my CPU?

What do you do when your Java application consumes 100% of the CPU? Turns out you can easily find the problematic thread(s) using built-in UNIX and JDK tools. No profilers or agents ...
gradle-logo

Gradle Custom Plugin

This tutorial describes the way of creating Gradle standalone custom plugin. It covers the following topicsCreating task, and using it in Custom plugin Stand alone Custom plugin Short ...
java-logo

Java memes which refuse to die

Also titled; My pet hates in Java coding.  There are a number of Java memes which annoy me, partly because they were always a bad idea, but mostly because people still keep picking ...
oracle-glassfish-logo

Rewrite to the edge – getting the most out of it! On GlassFish!

A great topic for modern application development is rewriting. Since the introduction of Java Server Faces and the new lightweight programming model in Java EE 6 you are struggling ...
spring-data-logo

Customizing Spring Data JPA Repository

Spring Data is a very convenient library. However, as the project as quite new, it is not well featured. By default, Spring Data JPA will provide implementation of the DAO based on ...
gradle-logo

How to install Gradle

Gradle is a simple and yet strong build tool. It is similar to the Ant build tool. It manages the build well and also handles build dependencies. The best part of Gradle is that it ...
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