Java is one of important programming language in big data ecosystem. Here, I recommand some great Java resource and books, which are very useful for big data development.
- Level Ent.
- Level Mid.
Read complete this book@Jan. 2015. The Java Quick Syntax Reference is a quite short book for your review Java sytax or learning java in a faster way. It is a condensed code and syntax reference with only 70 pages. In addition, it is not raw syntax but trying to explain lots of useful tips.