Machine learning, Data Science, deep learning, and many other major and rising disruptive technologies need one or two programming languages to create products and services for the global tech market. Companies and start-ups have started recruiting employees who are from a technical background with sufficient knowledge of anyone or two programming languages such as Python, Java, R, C++, etc. for efficient coding. Strong coding skills are essential to deal with cutting-edge technologies. Aspiring machine learning engineers, machine learning architects, data scientists, and so on are highly interested to learn Python and Java as these two have the highest demand in this field. This article is a machine learning guide for beginners to explain the differences between Python and Java for a better understanding.