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java.util.concurrent.Future basics

Hereby I am starting a series of articles about future concept in programming languages (also known as promises or delays) with a working title: Back to the Future. Futures are very ...
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JAXB tutorial – Getting Started

What is JAXB? JAXB stands for Java architecture for XML binding.It is used to convert XML to java object and java object to XML.JAXB defines an API for reading and writing Java objects ...
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Hibernate inheritance: Table per class hierarchy

In this tutorial we will see how to implement inheritance in hibernate.There are 3 ways in which you can implement inheritance in hibernate.In this post,we will see one of them i.e.one ...
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How expensive is a method call in Java

We have all been there. Looking at the poorly designed code while listening to the author’s explanations about how one should never sacrifice performance over design. And you just ...
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Analysing a Java Core Dump

In this post, I will show you how you can debug a Java core file to see what caused your JVM to crash. I will be using a core file I generated in my previous post: Generating a Java ...
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Introduction to Collated Views with Couchbase 2.0

Most of the applications have to deal with ‘master/detail’ type of data:breweries and beer department and employees invoices and items …This is necessary for example ...
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JSF – Eager CDI beans

Everybody knows eager managed beans in JSF 2. @ManagedBean has an eager attribute. If eager=’true’ and the scope is application, then this bean must be created when the ...
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JavaFX: Space Invaders in less than 175 LOC

With the current version of the API I’m at less than 175 LOC for Space Invaders. I’ve got lot’s of “Functional Interfaces” in my APIs that can be converted to Lambda Expressions ...
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Styling JavaFX Pie Chart with CSS

JavaFX provides certain colors by default when rendering charts. There are situations, however, when one wants to customize these colors. In this blog post I look at changing the colors ...
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Testing Expected Exceptions with JUnit Rules

This post shows how to test for expected exceptions using JUnit. Let’s start with the following class that we wish to test:                   public ...
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