| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Java Practice Questions: Oracle Certified Associate, Java SE 7 Programmer | 978-1-4840-4230-4 (1-4840-4230-1) | 2013 |
| Java Practice Questions: Oracle Certified Expert, Java EE 6 Web Component Developer | 978-1-4992-6025-0 (1-4992-6025-3) | 2014 |
| Java Practice Questions: Oracle Certified Professional, Java SE 7 Programmer | 978-1-4848-8474-4 (1-4848-8474-4) | 2013 |