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!)

  • Strong Preparation Resource

    I was really impressed with how closely the 1Z0-830 Java SE 21 Developer Professional mock tests aligned with the actual exam. They helped me feel ready and confident on test day.

    jeffersonzachery
    Jul 29 2025 - 12:38
  • Refreshing Way to Prepare

    Studying for the certification exam was no longer boring once I started using the practice questions. I stopped relying on PDFs and focused entirely on mock tests. It made a big difference in my approach.

    HerbKaufman
    Jul 23 2025 - 06:11
  • Time-Saving, Deep Learning

    The mini-tests were perfect when I had a tight schedule, and the full-length ones helped me simulate the real exam. Both styles gave me a solid understanding of the syllabus. The practice format is spot-on for 1Z0-819 Oracle Java SE 11 Developer.

    Rcaitlin
    Jul 19 2025 - 05:08
  • Best Use of Two Months!

    Two months of unlimited access to practice questions was exactly what I needed. It gave me the chance to build speed, accuracy, and the right mindset.

    evelyn1997
    Jul 16 2025 - 08:25
  • Clear, Focused, and Effective Practice

    What really stood out was how well the mock tests aligned with the real exam. They were clearly designed to support thorough preparation, unlike other sources that often fall short.

    CarolynJackson
    Jul 13 2025 - 15:29