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!)

  • As a repeated user, practicing extensively with these targeted quizzes, including many mocks, was incredibly effective. This focused preparation truly proved to be really worth it for achieving my professional certification.

    janetsolomon
    Oct 10 2026 - 15:57
  • It was so useful and good using interactive exams online for my Oracle test. Balancing job and studies simultaneously presented a real challenge, but this platform proved incredibly helpful. Specifically, the "Java Class Design" syllabus topic, which initially felt quite daunting, became much clearer through consistent online practice. The preparation tools were truly impressive, facilitating a deep understanding of complex concepts. Achieving a rewarding 75% on the certification felt like a significant accomplishment after all that effort. This journey shows what consistent application of good resources can achieve. Cheers!

    jayvionroth
    Oct 3 2026 - 12:28
  • Who knew preparing for a certification could be this brilliant? These quiz sets made the entire journey genuinely enjoyable. Thanks to this platform, a rewarding 89% score was achieved; honestly, it was so useful and good.

    Slucy
    Oct 3 2026 - 07:40
  • The online practice tests were instrumental in preparing for this Oracle assessment. Absolutely loved the practice sessions; they truly honed my knowledge for a successful certification.

    isabela
    Oct 2 2026 - 00:21
  • It was so useful and good, especially as a repeated user of this platform. The question bank for the 1Z0-811 exam was incredibly helpful, truly guiding me to success.

    obrienbeau985
    Sep 30 2026 - 06:04