Core Java
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Speed Up with Fast Java and File Serialization
Since the first version of Java, day-by-day many developers have been trying to achieve at least as good of performance…
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Backreferences in Java Regular Expressions
Backreferences in Java Regular Expressions is another important feature provided by Java. To understand backreferences, we need to understand group…
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Java 7 vs Groovy 2.1 Performance Comparison
I haven’t used Groovy for 2 years, since my last touch with Grails. I get stuck in (hard)core Enterprise Java,…
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Pitfalls of Java Comparable interface
Java Comparable interface provides a way to do natural ordering for classes implementing the interface. Natural ordering makes sense for scalars and…
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Throwing Exceptions – slow and ugly
This post is about a historical experience in conjunction with recently applied performance optimization techniques. Years ago I was swearing…
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10 Subtle Best Practices when Coding Java
This is a list of 10 best practices that are more subtle than your average Josh Bloch Effective Java rule.…
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Optional in Java 8 cheat sheet
java.util.Optional<T> in Java 8 is a poor cousin of scala.Option[T] and Data.Maybe in Haskell. But this doesn’t mean it’s not…
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Simple and lightweight pool implementation
Object pools are containers which contain a specified amount of objects. When an object is taken from the pool, it…
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5 Things You Didn’t Know About Synchronization in Java and Scala
Practically all server applications require some sort of synchronization between multiple threads. Most of the synchronization work is done for…
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