Tham khảo

Sách tham khảo

• • Core Java Volume I-Fundamentals, Cay S. Horstmann, 2016

  • Core Java Volume II-Advanced Features, Cay S. Horstmann, 2017

  • Core Java SE 9 for the Impatient, Cay S. Horstmann, 2nd edition,  2018

Khóa học

• EnableGeek

Quiz

• https://blogs.oracle.com/certification/test-your-java-knowledge-with-free-sample-questions

• http://www.gocertify.com/quizzes/oracle/ocajp-java-quiz-1.html

• http://www.java2s.com/Tutorials/Java/OCA_Mock_Exam_Questions_2/index.htm