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!)

  • Perfect Place for Java Puzzles

    As a repeated user, this value-for-money platform offered a perfect mix of theory and practice, exactly what my neurons needed for the 1Z0-829 exam. It was genuinely useful and well designed.

    olivia_orozco
    Jan 27 2026 - 05:42
  • Managed Every Challenge with Grace

    The quiz set was great value for money and fit perfectly into my free office hours. Che bello, it was such a helpful tool for steady preparation.

    braedon.m
    Jan 26 2026 - 13:00
  • Effective Support for Your Certification Journey

    The mock exam provided focused practice and clear feedback, making preparation efficient. A pleasant experience overall.

    Guth1981
    Jan 22 2026 - 17:11
  • So Glad I Chose This

    As a repeated user, these realistic online exams made preparing for 1Z0-1113 feel practical and direct. The interactive approach was far more effective than just watching videos. Each session built my confidence bit by bit. Really worth it.

    duransandra
    Jan 15 2026 - 01:23
  • Success Achieved

    Continuous preparation with online practice sessions made all the difference. Such a helpful tool for building confidence and understanding.

    sanaa
    Jan 5 2026 - 19:21