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Is it Imperative that you learn Functional Programming with Java 8?

I’ve recently been taking look at Java 8 and have got hold of “Java 8 In Action” published by Manning. The first thing that struck me is how one of Java 8’s ...
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My Move From ColdFusion to Java Development

Although I studied and experimented with different development technologies and tools throughout my college and graduate careers, my full-time professional career began with development ...
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Playing with Java 8 – Lambdas, Paths and Files

I needed to read a whole bunch of files recently and instead of just grabbing my old FileUtils.java that I and probably most developers have and then copy from project to project, I ...
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Java File I/O Basics

Java 7 introduced the java.nio.file package to provide comprehensive support for file I/O. Besides a lot of other functionality this package includes the Files class (if you already ...
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Double Checked Locking on Singleton Class in Java

Singleton class is quite common among Java developers, but it poses many challenges to junior developers. One of the key challenge they face is how to keep Singleton class as Singleton? ...
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Parsing a file with Stream API in Java 8

Streams are everywhere in Java 8. Just look around and for sure you will find them. It also applies to java.io.BufferedReader. Parsing a file in Java 8 with Stream API is extremely ...
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Prefix and Suffix Matches in Solr

Search engines are all about looking up strings. The user enters a query term that is then retrieved from the inverted index. Sometimes a user is looking for a value that is only a ...
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Spice up your test code with custom assertions

Inspired by the @tkaczanowski talk during GeeCON conference I decided to have a closer look at custom assertions with AssertJ library. In my ‘Dice’ game I created a ‘Chance’ ...
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Java 8 Friday: Better Exceptions

At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled about what Java 8 will bring to our ecosystem. Java 8 Friday Every ...
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Why use SerialVersionUID inside Serializable class in Java

Serialization and SerialVersionUID is always remains a puzzle for many Java developers. I often see questions like what is this SerialVersionUID, or what will happen if I don’t ...
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