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!)

  • The mock exam made preparing for exam  much more engaging and clear. Really worth it for building foundation skills!

    nathalia
    Nov 15 2025 - 11:04
  • What stood out was how well the practice tests covered the entire syllabus for the exam. I gained confidence in areas I had struggled with before, including Questionnaires, through regular practice.

    wayne
    Nov 2 2025 - 14:33
  • Regular practice and updated mock exams were the keys to my success. Staying consistent helped me feel ready and confident for the exam.

    MatthewJackson
    Oct 31 2025 - 10:52
  • I’m a repeated user of this platform, and it really made a difference while preparing for the exam in just a few weeks. The automatic question updates kept the material fresh and relevant, and the realistic timed exams helped me get used to the pressure of the real test. I appreciated how the platform continuously improves, making each practice session more effective. It’s a straightforward way to track progress and focus on areas that need more attention. Overall, it made my study process smoother and more structured.

    Yesenia
    Oct 21 2025 - 19:22
  • The practice tests gave me the clarity and confidence I needed. The questions reflected the latest pattern, making the real exam feel familiar and manageable.

    sarahhunter
    Oct 13 2025 - 19:10