Unsurprisingly, Python dominated among big data developers that use Apache Spark analytics engine, with 66% citing Python as the language they use with Spark, followed by Java at 34% and Scala at 11%.

Python remains a firm favourite programming language among developers, but when it comes to the popularity -- or otherwise -- of Java and JavaScript, the answer depends on which coders you ask.

When you compare Java vs. Python application development in terms of simplicity, conciseness, security and performance, Java comes out on top in every category.

JavaScript, Java, and Python skills are most in-demand by recruiters, according to a report published this week by tech hiring platforms CodinGame and CoderPad.