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

Tiobe analysts believe that within three to four years' time, Python will "probably replace C and Java" to become the most popular programming language in the world.

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.

Microsoft announced the general availability of Semantic Kernel for Python and Java, advancing the open source AI integration SDK that is a key component of the company's Copilot stack of AI tools.