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!)

  • Clear the Exam from Home

    Preparing for the 1Z0-830 Java SE 21 Developer Professional certification in Miami was simple thanks to online practice questions. I could study at my own pace, avoid travel, and make the most of my time, leading to a successful first-attempt result.

    ava gibson
    Sep 8 2025 - 10:14
  • Prepared to Perfection

    The 1Z0-1113 practice tests provided over 210 scenario-based questions, helping me gain the skills and confidence needed. Clearing the exam became achievable and stress-free.

    celia gould
    Sep 7 2025 - 02:52
  • Recommending to all freshers

    My Oracle Java Foundations exam experience was excellent. The practice tests were exactly what I needed to prepare. I’ve already started recommending them to fellow freshers because they really helped me succeed.

    elliseugene
    Aug 26 2025 - 09:15
  • Great help in clearing concepts

    The practice tests stood out because of their excellent design. They not only gave me exam-like practice but also helped me clear my concepts quickly.

    Bella Contreras
    Aug 23 2025 - 00:07
  • Achieving Success Step by Step

    With consistent practice on Java SE 21 Developer Professional mock questions, I was able to tackle the exam confidently. I’m delighted to have scored 88% on my first attempt.

    Gloria Jennings
    Aug 17 2025 - 13:49