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You're not going to cut your lines of code by an order of magnitude by switching from Java or C# to JavaScript or Python, but I would say you do get an order of magnitude increase in ease of managing large code bases with the popular statically typed languages.

I'd rather have 1M lines of Java than 100k lines of JavaScript, and if essential complexity took 1M lines of Java to flesh out, you aren't reaching parity with 100k lines of JS.

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> You're not going to cut your lines of code by an order of magnitude by switching from Java or C# to JavaScript or Python

Why not? I can easily see reducing SLOC 10-50x by switching from Java to JavaScript.

> if essential complexity took 1M lines of Java to flesh out

I very much doubt that in a 1M SLOC Java codebase - at least in pre-Java 8 codebase - the essential complexity is any more than 1% of that. My work experience with Java suggests that the language and the surrounding ecosystem and practices promote extreme proliferation of accidental complexity.

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