Sierra, K., Bates, B., & Robson, E. (2018). OCP Java SE 8 programmer II exam guide (Exams 1Z0-809). McGraw-Hill Education.
Chicago Style (17th ed.) CitationSierra, Kathy, Bert Bates, and Elisabeth Robson. OCP Java SE 8 Programmer II Exam Guide (Exams 1Z0-809). New York: McGraw-Hill Education, 2018.
MLA (9th ed.) CitationSierra, Kathy, et al. OCP Java SE 8 Programmer II Exam Guide (Exams 1Z0-809). McGraw-Hill Education, 2018.
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