Java remains one of the most powerful and widely used programming languages across the software industry. From enterprise applications and mobile development to cloud platforms and embedded systems, ...

NOTE: The OCP Java SE 11 Programmer I Exam 1Z0-815 and Programmer II Exam 1Z0-816 have been retired (as of October 1, 2020), and Oracle has released a new Developer Exam 1Z0-819 to replace the ...

This OCP Oracle Certified Professional Java SE 11 Programmer I Study Guide: Exam 1Z0-815 and the Programmer II Study Guide: Exam 1Z0-816 were published before Oracle announced major changes to its OCP ...

I am Java programmer, blogger on http://javarevisited.blogspot.com and http://java67.com ...