Question

Programming

While studying Java and OOP Language, What other subjects should I study along to complement and think more logically in programming ?

Answer 1

data structures and java coding practice will help you understanding topics like recursion,inheritance, encapsulation etc.

Answer 2

try this book:
http://book.pdfchm.net/the-art-of-objects-object-oriented-design-and-architecture/9780201711615/

Answer 3

http://www.torrentcrazy.com/torrent/392713/java-how-to-program.rar
its a torrent of the ebook
this book will help you to understand oops and good programming practices and you will also understand uml diagrams and class diagrams concept

Answer 4

Data structures and Algorithms. This might help: http://ww0.java4.datastructures.net/