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!)

  • Online Prep Rocks!

    I aced the Oracle Helidon Microservices Developer (1Z0-1113) certification exam on my first try, scoring well! Huge thanks to the paid test simulators for making it possible.

    william
    Apr 30 2024 - 01:36
  • Improved Exam Speed

    Before, I always struggled to finish the exam within the time limit. However, by practicing with the 1Z0-900 Question Bank on dbexam.com, I managed to increase my speed and achieve my goal of 92%.

    gerardo
    Apr 27 2024 - 12:15
  • Continuous Craving for More Practice

    The mock environment mirrors the actual 1Z0-811 premium practice questions with a simulated setting. Thus, the questions closely resemble those in the Oracle Java Foundations certification exam. Each session felt like a real exam experience, leaving me eager for more practice.

    Bryan
    Apr 18 2024 - 12:23
  • Scored 92% in the actual exam

    It has a huge question bank for Oracle Java SE 17 Developer certification exam. I reached my maximum potential with this and finally scored 92% in the actual exam.

    clark.j
    Apr 17 2024 - 20:13
  • 1Z0-819 mocks will always remain special to me

    Hourra! I have cleared the 1Z0-819 Oracle Java SE 11 Developer certification exam today. I had kept my expectations of 91% score but practicing on challenging mock tests made me score 89% at very first attempt only. 

    EricPeake
    Apr 17 2024 - 11:54