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!)

  • Practicing for 1Z0-830 on dbexam was structured and thorough. Each interactive exam built my skills, and I stayed calm and focused es war super, mate. Preparing in this way truly boosted my professional confidence. The experience was really worth it!

    lindseymessiah
    Mar 6 2026 - 18:24
  • Realistic online exams brought every Java Foundations concept to life as I worked steadily through each test. Each session revealed something new and built my confidence from the ground up. The learning experience felt engaging and hands-on, matching the pace I needed. Absolutely loved the practice sessions!

    Mdamarion
    Mar 5 2026 - 19:14
  • Targeted quizzes turned every study session into a focused learning moment. Each question revealed new concepts and sharpened my understanding without overwhelming me. Over time, my confidence increased as weak areas became strengths. Such a helpful tool!

    jayvion
    Mar 5 2026 - 02:06
  • As a Mid-level engineer in this field, practicing with targeted quizzes on my mobile made studying unexpectedly flexible. Each session revealed new gaps and strengths, keeping my motivation high throughout. The structure made complex ideas easier to digest on the go. A pleasant experience overall.

    pamelacherry
    Mar 3 2026 - 04:28
  • As a Team lead in this field, tackling each quiz built confidence and encouraged me to pursue even tougher certifications. Really worth it.

    jayda horn
    Mar 2 2026 - 13:35