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!)

  • Impressive Results from Quality Practice

    The practice tests were well-structured and closely matched the real exam. They gave me the confidence and preparation needed to perform exceptionally well.

    bellnatalie
    Oct 12 2025 - 04:20
  • Overcoming Anxiety Through Consistent Java Practice

    Preparing for the exam became a steady habit, even studying while commuting, which helped me manage my nerves before the test. The regular practice made a big difference in building my confidence and focus.

    jadyncurtis
    Oct 10 2025 - 21:39
  • Tackling Weaknesses with Practice

    Using the mock tests helped me identify weak areas and improve them. The questions covered the full syllabus and closely resembled the actual exam, which made me feel well-prepared.

    FelicityR
    Oct 7 2025 - 13:50
  • Breaking Barriers with Oracle Certification

    The exam gave me the confidence and validation I needed. Passing it opened new doors, boosted my career, and made me more competitive in the industry.

    julianwallace
    Oct 6 2025 - 22:45
  • Smooth 1Z0-811 Preparation

    The question bank made studying simple and effective. I cleared the exam with ease thanks to thorough practice.

    victoria
    Sep 30 2025 - 00:48