I started as a Java developer, but for some time now, I have broadened my horizons. Recently, I thought about how early languages were dedicated to a single target and platform, and now they are broadening their focus. In this post, I want to write down my thoughts in the hope that it may be useful to others, probably to my future self.   Definitions   You may have been wondering about the title terms.

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A Java geek

An exploration of how programming languages have evolved from single-target, single-platform tools to multi-target ecosystems. Early languages like C, Java, and Python each had one compilation target and runtime platform. Over time, languages like Scala, Kotlin, Dart, Rust, and Zig have expanded to support multiple targets including JVM bytecode, native code, JavaScript, and WebAssembly. The post surveys the current landscape with a focus on the JVM ecosystem, discusses why organizations invest in multi-target strategies (e.g., GraalVM for Java on Kubernetes), and speculates whether AI-assisted rewrites might eventually challenge the value of multi-target tooling.

Programming languages, targets, and platforms

Not just languages evolved… Hardware, problems, etc…
Before, having a computer was a gimmick, and/or super expensive endeavor.
Nowadays, everything has a tiny computer.