abimaterjal:
https://et.wikipedia.org/wiki/Java

http://www.oracle.com/technetwork/java/javase/downloads/index.html

http://docs.oracle.com/javase/tutorial/java/index.html

https://thenewboston.com/

Objektorienteeritud programmeerimine. Praktikumijuhend." (Ahti Peder, Helle Hein, Lauri Kimmel)