Core Java
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Explore Git Internals with the JGit API
Have you ever wondered how a commit and its content is stored in Git? Well, I have, and I had…
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Let’s Stream a Map in Java 8 with jOOλ
I wanted to find an easy way to stream a Map in Java 8. Guess what? There isn’t! What I…
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Why to use String
Recently I was tutoring juniors during a training session. One of the task was to write a class that can…
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Java Extension Mechanism Loads All JARs
The Java Extension Mechanism is described in the Java Tutorial as a “standard, scalable way to make custom APIs available…
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Supercharged jstack: How to Debug Your Servers at 100mph
A guide for using jstack to debug live Java production servers jstack is like U2 – it’s been with us since the…
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Revealing the length of Garbage Collection pauses
There are several ways to improve your product. One such way is to carefully track what your users are experiencing…
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Understanding strategy pattern by designing game of chess
Today we will try to understand Strategy Pattern with the help of an example. The example we will consider is…
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Java Tutorial Through Katas: Mars Rover
A programming kata is an exercise which helps a programmer hone his skills through practice and repetition. This article is…
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The dreaded DefaultAbstractHelperImpl
A while ago, we have published this fun game we like to call Spring API Bingo. It is a tribute…
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