Oracle Java Certification

Oracle Java certifications cover Java SE programming from Foundations to Professional level, plus Java EE 7 and Helidon microservices. The current Java SE Developer Professional exams are 1Z0-830 (Java SE 21) and 1Z0-831 (Java SE 25).

Oracle Java Certification Practice Exams
Exam Level Questions Time Passing score
1Z0-811: Oracle Java Foundations Foundations 60 120 min 65%
1Z0-808: Oracle Java SE 8 Programmer I Associate 56 120 min 65%
1Z0-809: Oracle Java SE 8 Programmer II Professional 68 120 min 65%
1Z0-819: Oracle Java SE 11 Developer Professional 50 90 min 68%
1Z0-829: Oracle Java SE 17 Developer Professional 50 90 min 68%
1Z0-830: Oracle Java SE 21 Developer Professional Professional 50 120 min 68%
1Z0-831: Java SE 25 Developer Professional Professional 50 120 min 68%
1Z0-900: Oracle Java EE 7 Application Developer Professional 70 120 min 66%
1Z0-1113: Oracle Helidon Microservices Developer Professional Professional 60 90 min 70%

Questions, time and passing score: Oracle University exam pages, checked October 2026. Each exam page has free sample questions; the premium practice exam gives 2 months of unlimited Full and Mini attempts.

Which exam should you take?

  • New to Java: Start with 1Z0-811 Java Foundations.
  • Java developers: Take 1Z0-830 Java SE 21 Developer Professional or 1Z0-831 Java SE 25 Developer Professional. Both are 50 questions in 120 minutes with a 68% passing score.
  • Enterprise and microservices developers: Take 1Z0-900 Java EE 7 Application Developer or 1Z0-1113 Helidon Microservices Developer.

Frequently asked questions

Which Java certification should I take?

Java SE 21 (1Z0-830) or Java SE 25 (1Z0-831), the current Java SE Developer Professional exams: 50 questions in 120 minutes with a 68% passing score.

How many questions are on the Java SE 21 exam?

1Z0-830 has 50 questions in 120 minutes, and you need 68% to pass.

Is there a beginner Java certification?

Yes. 1Z0-811 Java Foundations has 60 questions in 120 minutes with a 65% passing score.

See every Oracle certification practice exam on the Oracle certification page.

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Oracle Java Testimonials... (Write a Testimonial!)

  • I told myself that even after clearing the 1Z0-811 Oracle Java Foundations exam, I’d continue my routine. Now that I’ve reached my goal, I’m keeping my premium membership to get more out of its benefits.

    Lrory
    Sep 3 2024 - 21:35
  • My confidence was low until I practiced the 1Z0-809 mock tests on this site. The simulated tests helped me prepare, and I achieved 87% in the certification exam.

    Tnatalia
    Sep 2 2024 - 21:00
  • The mock tests were easy to understand, with a clear and simulated format. Appearing for the 1Z0-811 mock test felt just like the real exam, making the preparation process simple. I’m glad I’ve passed my exam and feel much better now.

    Palexander
    Aug 30 2024 - 02:46
  • These practice tests for the Oracle Java SE 11 Developer certification exam include frequently asked questions, high-probability questions, and those updated by recent certified candidates. The 1Z0-819 tests are thoroughly researched and well-crafted.

    Jake
    Aug 28 2024 - 07:13
  • Using Oracle Helidon Microservices Developer mock tests made revising for the certification exam much simpler. The quizzes with answers helped me clear my doubts easily, so I didn’t need any additional help.

    Mohamedpittman
    Aug 22 2024 - 19:10