Buy Kathy Sierra eBooks to read online or download in PDF or ePub on your PC, tablet or mobile device. Toggle navigation. exam preparation guide from Oracle Press. Written by a team of experts, including two developers of the original exam, OCP Java SE 8 Programmer II Exam Guide (Exam 1Z0-809) Kathy Sierra, SCJP, was a codeveloper of the SCJP SCEA exams.Kathy was a master trainer for Sun Educational Services, where she taught Java instructors. She is the sole founder of the world's largest Java certification website, Javaranch.com. Kathy has worked for Sun Educational Services in the course development, customer training, and certification departments.
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