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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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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Java Enums: You have grace, elegance and power and this is what I Love!

While Java 8 is coming, are you sure you know well the enums that were introduced in Java 5? Java enums are still underestimated, and it’s a pity since they are more useful than you ...
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Java Annotations: Explored & Explained

One of the many wonderful features of Java 5 SE is the introduction of the Annotations construct. Annotations are tags that we can insert into our program source code for some tool ...
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JBoss Core Java Web Services

This blog post deals with Web Services. Well, to be more exact, it deals with ‘plain’ java web services on JBoss. That means we are going to create a web service without ...
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