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.

No votes yet

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

  • Finally Conquered Oracle! My Brain Thanks These Mock Exams

    Those online mock exams for the Oracle test? They were fair dinkum helpful, mate. Absolutely loved the practice sessions – who knew learning could be this... bearable?

    matiashorn
    May 14 2026 - 19:57
  • Java Certified Now!

    The online question bank proved instrumental in achieving this certification. My manager's appreciation for the accomplishment made it a pleasant experience overall.

    nataly811
    May 6 2026 - 03:24
  • Interactive Exams: A Truly Helpful Resource

    As a first-time user, the interactive online exams proved incredibly valuable for my Oracle certification journey. It was so useful and good, truly guiding me through the entire preparation process.

    gloria
    May 3 2026 - 19:37
  • Interactive Exams at dbexam Were Incredibly Helpful for My Certification Learning

    DBExam interactive exams provided very helpful preparation for my Oracle certification. Absolutely loved the practice sessions, which effectively reinforced key concepts.

    Makaylaweeks2
    May 1 2026 - 20:13
  • Effective Prep

    The online mock exam was an instrumental resource for my Oracle Helidon Microservices Developer certification. It offered valuable preparation, making it a pleasant experience overall.

    KaliyahJohns
    Apr 30 2026 - 12:27