I am confident in java and python. Which is the best option to learn among Hadoop and machine learning?

I suggest you to learn machine learning. The future scope of data scientists is great.

Hi, It sounds good because you are confident in Java and Python. The choice is completely yours because you know pretty well what you really want to do but if I have to choose then prefer Machine Learning and use Python for that. Python is one of the popular languages of AI because of rich library