William McAllister.
Data Structures and Algorithms Using Java.
Jones & Bartlett Publishers, 2008.
ISBN: 076375756X
Richard Reese.
Oracle Certified Associate, Java SE 7 Programmer Study Guide.
Packt Publishing, 2012.
ISBN: 9781849687324
Kathy Sierra, Bert Bates.
Head First Java (2nd Edition).
O'Reilly, 2005.
ISBN: 0596009208