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!)

  • Thanks to different types of 1Z0-808 practice tests online, i was never out of practice. When i did not have much time for practice, i opted for mini test and other times i gave the full mock test to continue practicing on the frequently asked questions. I have duly cleared the 1Z0-808 Java SE 8 Programmer I exam and am very satisfied with my result. 

    Wingrid
    Nov 27 2023 - 15:33
  • Really! I was like so many questions that too very close to the real ones. How will I be able to answer them for the 1Z0-819 mock tests? But I was able to do that and also clear the Oracle Java SE 11 Developer Certification with excellent score. Nothing is tough if I have the determination. Yippee! Cleared 1Z0-819 Oracle Java SE 11 Developer

    tyree.r
    Nov 26 2023 - 13:20
  • Wow! The Oracle Java SE 17 Developer simulated question bank online is perfect for the Oracle Java SE 17 Developer Certification exam.

    dorothy.r
    Nov 22 2023 - 00:46
  • Happy to say I passed the Oracle Certified Foundations Associate certification exam! Thanks to the 1Z0-811 mock exams for their incredible method that helped me succeed.

    edwardgrant
    Nov 16 2023 - 11:09
  • I achieved excellent results in the Oracle Helidon Microservices Developer certification exam, all thanks to the well-prepared practice tests available on this platform.

    connor_h
    Nov 15 2023 - 11:46