fidzu : programming

Every Java developer knows the ritual. A JAVA_HOME export in one profile file, a different one in another. sdk use java 21 in this terminal, but the other terminal is still on 8. The build passes in your shell and fails in the IDE because the IDE launched from the dock and never sourced your init line. A teammate's "works on my machine" that turns out to mean "works on my shell."

I got tired of it, so I built Jolta. It's Volta, but for Java. This article is partly about what it does, but mostly about how I built it, because the process is the part I'd recommend to anyone building in a crowded tool category: I mined my competitors' bug trackers and turned their backlogs into my test suite.

04 Aug 2026 5:00pm GMT

The functional programming answer, to those who wonder how to integrate or combine it with object-oriented programming, is usually: Turtles all the way down.

This is an aphorism whose origin is credited to Richard Feynman. In his book, Surely You're Joking, Mr. Feynman !, published in 1985, he tells the story of one of his conferences on the nature of the universe, where he was challenged by someone in the audience, saying that the universe rests on a turtle. Feynman asked then what the turtle is resting on, and the answer was: "another bigger turtle".

04 Aug 2026 12:00pm GMT

Lua 5.5.1 has been released. It fixes all known bugs in Lua 5.5.0.

04 Aug 2026 12:38am GMT

Arrays in Java are fundamental data structures used to store elements of the same type sequentially in memory. They provide a convenient way to manage collections of data where each element is accessed by its index.

Basics of Arrays

An array in Java is a fixed-size container that holds a specific number of elements of the same data type. This means all elements in an array must be of the same type such as integers (int), floating-point numbers (double), characters (char) or objects (Object).

31 Jul 2026 7:00pm GMT

Lua is now an SPI associated project.

20 Feb 2026 11:15am GMT

The first release of Lua 5.5 is now ready

22 Dec 2025 2:00pm GMT