It is good to hear that you are planning to switch my career from Java Developer to Big Data because the need of Big Data is huge in this digital era. Learning emerging technologies like Big Data will help you to withstand for longer time in ths IT industry. To learn this technology there are various institutions available in the market. But among all of them I can confidently say that this Big Data Hadoop Course from Intellipaat is the best. This program will help you to learn various concepts like MapReduce, Hive, Sqoop, etc. This training help you to clear CCA175 certification exam and to become a certified Big Data professional with all the required skills.
Along with that have a look on this video on how Pankaj switched his career from Java Developer to Big Data Developer with the help of Intellipaat training -