In Java 21, old code might run significantly faster due to recent internal performance optimizations made in the Java Core Libraries. In this article, we will take a closer look at some of these changes and see how much faster your favorite programming l... (more…)

Welcome to Java for Python Programmers. This short ebook is an ongoing project to help Computer Science students who have had one or two semesters of Python learn the Java programming language. If you are not a part of that audience you may still find thi...

Hi, my name is Slawomir Dymitrow. I'm a Lead Java Developer and Systems Architect. On this Blog I'm sharing bits and pieces of my coding knowledge. (more…)

RefDiff - A tool to compare different versions of Java source code to find refactoring changes between them... (more…)

Peter Niederwieser, creator of Spock, the best testing framework ever, also contributed to Groovy programming language a very handy feature: Power Asserts. As you can see, we can see each value of … (more…)