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!)

  • Excellent way to practice

    1Z0-811 simulated practice tests are the best way to practice for the Oracle Java Foundations exam. They are the beauty in disguise. Firstly, i liked the 1. practice questions which are updated regularly. 2. Simulation like the actual oracle exam. 3. Personalized result history that is available online at the press of a button. All these helped me give my best performance in the actual exam.

    Korycastro
    Apr 28 2025 - 09:14
  • Expectations were duly met

    I had certain expectations out of the 1Z0-829 mock tests regarding the expanse, the coverage and the authenticity. The practice questions proved themselves in many ways. It helped me clear the Oracle Java SE 17 Developer exam recently with a good score. 

    edwinaglover
    Apr 26 2025 - 14:42
  • The credit of my score is here

    1Z0-819 simulated tests helped me clear the Oracle Java SE 11 Developer certification exam.

    HallieH
    Apr 26 2025 - 08:37
  • thank to the questions

    Every question seemed to have a story of its selection. A very well-designed practice test with guidelines like the actual exam for 1Z0-1113. This is what is required these days to practice. 

    goodmancheryl
    Apr 23 2025 - 08:45
  • Correct answers for assessment

    There are so many types of questions and 510+ in number on the dbexam.com site. I began with clearing the mock tests on an alternate basis covering the syllabus together for the 1Z0-830 certificate exam. Then i gave one mock test daily. This helped me clear the Oracle exam with a very good score of at first attempt.

    emily.v
    Apr 16 2025 - 09:52