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Apache Commons Lang StringUtils

So, thought it’d be good to talk about another Java library that I like. It’s been around for a while and is not perhaps the most exciting library, but it is very very useful. ...
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High performance libraries in Java

There is an increasing number of libraries which are described as high performance and have benchmarks to back that claim up. Here is a selection that I am aware of. Disruptor library ...
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What’s Cooking in Java 8 – Project Lambda

What is project lambda: Project lambda is the project to enable lambda expressions in java language syntax. Lambda expressions are major syntax in functional programming languages like ...
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What is behind System.nanoTime()?

In java world there is a very good perception about System.nanoTime(). There is always some guys who says that it is fast, reliable and, whenever possible, should be used for timings ...
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Java 7: A complete invokedynamic example

Another blog entry in my current Java 7 series. This time it’s dealing with invokedynamic, a new bytecode instruction on the JVM for method invocation. The invokedynamic instruction ...
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Regular Expressions in Java – Soft Introduction

A regular expression is a kind of pattern that can be applied to text (String, in Java). Java provides the java.util.regex package for pattern matching with regular expressions. Java ...
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Java 7: Copy and Move Files and Directories

This post is a continuation of my series on the Java 7 java.nio.file package, this time covering the copying and moving of files and complete directory trees. If you have ever been ...
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“Java Sucks” revisited

Overview An interesting document on Java’s short comings (from C developer’s perspective) was written some time ago (about 2000? ) but many of the arguments issues are as ...
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Java 7: How to write really fast Java code

When I first wrote this blog my intention was to introduce you to a class ThreadLocalRandom which is new in Java 7 to generate random numbers. I have analyzed the performance of ThreadLocalRandom ...
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The Wizard Design Pattern

We all love wizards…. (Software wizards I mean). We are always happy to jump on those ”Next” buttons like we were dancing the funky chicken on our… well you get ...
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