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!)

  • Finally Java SE 11 certified

    Hard work paid off! Passed 1Z0-819 today. The practice tests helped a lot in getting my concepts right. Definitely recommend them.

    edward
    Mar 2 2025 - 18:43
  • Couldn’t Have Done It Without This

    Just wanted to say a big thank you. I took my 1Z0-811 exam on Friday and got a great score, all thanks to practicing with mock exams. If you’re serious about passing, this is the best investment you can make for your Java certification.

    rogerll
    Feb 28 2025 - 01:48
  • Exactly What I Needed.

    The mock tests were well-structured, interesting, and highly relevant to the 1Z0-819 Oracle Java SE 11 Developer exam. My preparation felt complete, and I was able to approach the real test with confidence.

    reillymartha
    Feb 23 2025 - 10:25
  • Closest Match to the Real 1Z0-829 Exam

    The mock tests provided an authentic exam experience, making my 1Z0-829 preparation much more effective. The practice questions are well-curated, covering all key topics with real-world scenarios. The ability to review answers in the result history was particularly helpful in refining my approach before the actual exam.

    Addison
    Feb 21 2025 - 19:50
  • Officially 1Z0-900 Certified

    I’m beyond excited to have passed the 1Z0-900 Java EE 7 Application Developer exam. The structured practice and realistic questions were key to my success. Grateful for the excellent study support!

    Anastasiyatik
    Feb 16 2025 - 13:01