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!)

  • Really worth it, using interactive exams online for my Oracle assessment. They were incredibly helpful, making the whole preparation process feel much smoother and more engaging. Successfully passing feels fantastic, and I truly appreciate how this resource guided me to achieve it.

    Nevaehbenson
    Oct 20 2026 - 03:24
  • Practicing through the site's mobile-friendly interface with these sample questions truly solidified my understanding. It was so useful and good, making all the difference in achieving my certification and boosting my career prospects.

    randy 2
    Oct 19 2026 - 10:22
  • A pleasant experience overall. As a professional, these online practice sessions were truly fab and incredibly helpful, making my Oracle certification journey a confident success.

    charlesa
    Oct 15 2026 - 23:50
  • Really worth it, using interactive exams online for my Oracle test. The practice sessions were absolutely fab, providing very helpful preparation for certification.

    priscilla93
    Oct 14 2026 - 00:24
  • Absolutely loved the practice sessions for the Oracle Java SE 17 Developer certification! They were wicked good, and these interactive exams were truly helpful for my success.

    vincent653
    Oct 12 2026 - 07:58