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!)

  • With over 310 practice questions in the 1Z0-900 mock tests, I felt great as I answered each one. I monitored my performance by checking the right answers, and I’m proud to share that I successfully passed the exam!

    aida
    Sep 23 2024 - 01:25
  • If you’re gearing up for the Java SE 8 Programmer I certification exam and haven’t tried any mock tests yet, you’re missing out! I’m not here to frighten you, but to encourage you to dive into these practice tests. They’ll give you the advantage you need for the actual exam.

    yamu
    Sep 20 2024 - 00:43
  • The 1Z0-1113 certification practice exams had practical, case study-based questions. This was a real eye-opener for me since I was just memorizing the exam syllabus and not really learning. Thanks to the mock tests, I cleared the actual exam with the score I wanted.

    toriv
    Sep 16 2024 - 04:31
  • Frequently asked questions, most probable questions and questions that are updated by recently certified candidates for the purpose of passing the certification exam. 1Z0-819 practice tests are well researched and well prepared.

    Michelle
    Sep 15 2024 - 20:34
  • The online mock tests captured the real 1Z0-829 exam vibe. After two months of practicing, I was fully prepared and became an Oracle Certified Professional - Java SE 17 Developer. Simply awesome!

    weavergillian
    Sep 8 2024 - 05:43