The Fork/Join Framework
Introduction In this blog post, I want to introduce the fork/join framework that has been part of Java since version 7. In order to demonstrate its great advantages, I set…
A New and Consistent Way of Implementing equals and hashCode | Part 2
Introduction In Part 1 of this topic, I’ve shown you several ways of implementing equals and hashCode. I wasn’t able to conclude with a definite answer to the question which way…
A New and Consistent Way of Implementing equals and hashCode | Part 1
Introduction My first two blog posts on this website have been a two-part article about the evolution of Java’s compareTo and Comparator#compare methods. Implementing order for comparable objects is important,…
The Problem With Creating Generic Arrays
Introduction I bet that most Java programmers fall into the trap of trying to create generic arrays at least once in their Java software development career, wondering why the compiler…
Using JDK’s Source Code to Clarify Implementation Specifics
Introduction This blog post covers an interesting aspect of Java. Today’s reference implementation of the Java Development Kit (JDK), OpenJDK, has been free and open source since 2007. Even though…
Using BigDecimal as an Accurate Replacement for Floating-Point Numbers
Introduction Java provides two primitive types for floating-point arithmetic: float and double. The latter is usually preferred to the former since doubles are much more precise than floats (15–17 digits…
A New and Consistent Way of Implementing Order for Comparable Java Objects | Part 2
Introduction In Part 1 of this topic you’ve seen different methods for implementing order for Java objects, showing you the transition from old Java versions to current versions. You’ve become acquainted…
A New and Consistent Way of Implementing Order for Comparable Java Objects | Part 1
Introduction In Java it is often important to implement natural order for classes. While it isn’t necessary to define natural order for all of one’s own classes, it definitely makes…