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!)

  • Nothing can beat hard work and preparation when one has to achieve the target in Java SE Developer Professional Certification. However, one thing that matters is the source of preparation. I would suggest dbexam.com site for the same. I chose the site because it has simulated the environment of the actual exam. Further, it gave me personalized result book which helped me track my progress in the 1Z0-830 mock tests. There are so many features of the site that it helped me score 83% in the actual exam.

    natalee mays
    Mar 27 2025 - 20:40
  • Here in Germany, my friends respect me for the advice i give because i do it after much analysis. I advice 1Z0-811 mock tests online as it helped me clear the Oracle Java Foundations exam. With so many features designed for convenience and growth. It exposed me so many things which i was not totally aware of. I am glad that i made the right choice and giving the right advice.

    Donnchristensen6
    Mar 18 2025 - 20:04
  • I followed the advice on dbexam.com com and started giving mock tests. The site builds up an environment that makes you feel that you are giving actual exam. It is an interesting journey to come across this site and finally sail through the actual 1Z0-808 exam.

    masonbaer1991
    Mar 11 2025 - 10:53
  • The questions asked in the practice tests on the site are so close to the actual 1Z0-809 Oracle Certified Professional Java SE 8 Programmer certification exam. I got good practice and a hangover of the actual exam. I succeeded and received 81% and am grateful to the site. 

    Lheather
    Mar 8 2025 - 09:11
  • For the last two months, these 1Z0-829 practice tests were part of my daily routine. Every topic in the exam syllabus started making sense after practicing these questions. Definitely helped me feel confident for the real exam.

    Chazclayton9
    Mar 4 2025 - 17:20