Open-source language Python is already one of the most popular programming languages among developers. It ranks in third place behind mainstays Java and C, according to programming language index ...

Java has a lot going for it, but it's not the top language for data science. Java professionals may want to familiarize themselves with Python or R for data science workflows.

For the first time in the history of TIOBE's index, Java has slipped out of the top two, leaving Python to occupy the spot behind reigning champion, C.