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.

No votes yet

Oracle Java Testimonials... (Write a Testimonial!)

  • As a Team lead, navigating this Oracle assessment felt less like a solo quest and more like a team effort, especially since my teammates also relied on these sample questions online. Who knew practice could be this effective and, dare I say, almost fun? Truly, it was really worth it.

    sotojesus
    Jul 30 2026 - 17:05
  • Preparing for the Oracle Java SE 8 Programmer II certification felt incredibly achievable thanks to the online practice sessions; I absolutely loved the practice sessions. Achieving a rewarding 75% felt fantastic, especially considering the value for money these resources offered.

    maia
    Jul 24 2026 - 11:47
  • As a repeated user, engaging with the realistic online exams was a pleasant experience overall, proving very helpful. Preparing steadily over weekends and evenings with these resources truly solidified my understanding and ultimately led to well-deserved recognition.

    harperemilio
    Jul 17 2026 - 05:13
  • The online practice sessions were such a helpful tool for my Oracle assessment. Regularly practicing, often studying late at night, led to a rewarding 79% score.

    ian0
    Jul 16 2026 - 10:42
  • As a first-time user of dbexam.com, preparing for my Oracle assessment felt significant. I was excited yet tense during practice, but the mock exam was so useful and good, truly offering value for money.

    priscilla
    Jul 12 2026 - 22:44