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!)

  • Useful Practice Sessions That Really Build Confidence

    As a repeated user, the question bank online always delivers what’s needed. The topic Controlling Program Flow looked tough, but the quiz set broke it down for me. Getting into a rhythm with the questions really helped clarify things. Absolutely loved the practice sessions.

    Walkerbullock
    Jan 4 2026 - 06:20
  • Grind

    Had to drag my brain across the finish line for Helidon, but the practice material provided serious armor. Seriously, it was so useful and good.

    pamela452
    Dec 25 2025 - 19:43
  • Refreshing Skills With Helpful Practice

    After several months of study, these practice exams helped me spot gaps I didn’t even know I had in the Java SE Developer Professional material, my family’s encouragement plus this platform made all the difference. Ein bisschen Übung macht den Meister!

    alessandra
    Dec 17 2025 - 02:56
  • Feeling Accomplished Thanks to Consistent Quiz Sets

    Absolutely loved the practice sessions, y’all. The quiz set kept my skills sharp and made the process smooth from start to finish.

    cantujett248
    Dec 16 2025 - 01:08
  • A Reliable and Effective Oracle Exam Preparation Tool

    Returning to this platform for my certification preparation proved to be very effective. I absolutely loved the practice sessions, which accurately simulate the real exam environment.

    giulianastanley
    Dec 13 2025 - 18:11