Back on 14 July I wrote a post titled “no more java“, in which I swore off the use of Java for everything new and to “walk away from any Java programming opportunity.”
It turns out that there is, practically speaking, no way for me to do that. As much as I despise Oracle, the use of the language throughout the last 21+ years of my software engineering career (Java officially turned 20 in 2015) isn’t something I can just blithely walk away from. As I came to discover over the last 60 days, while there are a lot of very good programming languages besides Java, there are some things for which Java is the better fit, warts and all.
All those languages I did look deeply into were quite compelling in their own rights and offered powerful solutions for different classes of problems. And while they tended to overlap some features and capabilities of Java, they could never replace Java for the types of software problems I like to work on. And please note, when I speak of the languages I also speak of the development, build, test, and deployment tools that wrap a language and help make it a powerful problem solver.
I don’t consider my two months looking elsewhere a waste of time; far from it. It was an eye-opening trek into languages I would have never taken otherwise, as well as a deeper dive into some languages I’d had considerable experience with before, such as Python and Ruby (in fact, working with Python 3.5 was almost like re-learning the language, as the last version I’d touched was 2.4). With Java I’d grown a bit stale in my thinking, which is never a good thing. Looking at other programming languages fosters opportunities to expand perspectives and offers alternative solutions to tough problems for which Java might not be the best fit. It also illustrate ways to weave these “new-ish” solutions back into new and existing Java solutions.
And finally, by taking two months away from my Java work, I discovered when I came back that tough problems I couldn’t quite solve before were suddenly solvable, some of them quite easily so. I really needed a break away from Java.
So it’s back to Java, or more precisely, the Java Virtual Machine (JVM). For with the JVM I also have Scala, Groovy, Gradle, and JRuby, not just Java 8. I’m using the
Actor pattern Futures and Promises and the Parallel Collections Library supported by Scala for modeling and simulation, while using Groovy and JRuby to solve unique problems while calling down into the Java libraries, especially for UI bits. And finally I’m getting the hang of using Gradle as my primary build, test, and deployment framework. I am so tired of Ant and I’m no fan of Maven either.
I need to do this again, at least once/year, to maintain a clear mindset and fresh perspective. I look forward to my next walk-about through the programming language landscape.
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