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!)

  • Easy to prepare on the go

    For the 1Z0-829 Oracle Java SE 17 Developer exam, I found it hard to manage with PDF study material. The online format worked so much better, as I could practice while traveling, and the personalized tracking kept me motivated.

    gertrude990
    Jun 1 2025 - 23:45
  • Discipline and Timing Mastered

    Preparing for the Java SE 8 Programmer I exam helped shape my study routine and sharpen my time management. These changes really helped me earn the certification and secure roles I was aiming for.

    odonnelljamiya
    May 27 2025 - 02:59
  • No Payment Hassles, Just Focused Prep

    It was super easy to make the payment and start practicing for 1Z0-809. The mock tests helped me prepare consistently and build real exam confidence.

    Roswaldo
    May 25 2025 - 16:41
  • Mock Exams That Prepare You Perfectly

    These practice exams are very close to the real thing. Each test helped me familiarize myself with the exam pattern and timing. I’m glad I achieved a strong score in the Java SE 17 Developer certification.

    Joshleach
    May 19 2025 - 16:32
  • Passed at first attempt

    I am happy because i worked hard non stop for 100 days to prepare for 1Z0-830 Java SE 21 Developer Professional exam and achieved my target. thank you

    earldefoor
    May 16 2025 - 16:55