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!)

  • The Demo Test Was Just the Start

    I was preparing for the Oracle certification and started by trying a demo test online. It felt simple at first, but the full-length premium practice exams were much tougher and more realistic. My friend and I signed up together, and it turned out to be a great decision.

    hamptonfrank
    Aug 10 2025 - 15:42
  • Practiced Without Limits

    Achieving a high score in the Oracle Helidon Microservices Developer certification exam felt achievable thanks to unlimited online practice questions. Being able to attempt tests repeatedly strengthened my preparation and boosted my confidence.

    CarolineDowd
    Aug 9 2025 - 14:30
  • Practiced on Realistic Exam Questions

    My coach advised that practicing with questions similar to the actual exam is the key to success. Following this advice truly helped me excel in the test.

    jill
    Aug 8 2025 - 11:54
  • Well-Prepared for the Real Exam

    Daily practice with mock questions mirrored the real exam environment perfectly, helping me perform at my best.

    nichol parr
    Aug 3 2025 - 12:45
  • Passed Thanks to Practice

    Practicing regularly with the simulated tests helped me pass the 1Z0-808 exam. The questions were very close to what I faced in the actual test.

    staciespencer
    Aug 1 2025 - 13:45