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!)

  • Simple and Stress-Free Preparation

    The 1Z0-830 practice exams were easy to navigate and well-structured. They removed any confusion and helped me pass the exam on my first attempt.

    kaedenhancock
    Dec 11 2024 - 17:04
  • Fast-Track to 1Z0-811

    Clearing 1Z0-811 is easy with just a few steps. Start with a demo test to get a taste, then sign up for the practice set with unlimited access for two months. Regularly practicing with the mock tests will prepare you well for the Oracle Java Foundations exam. It’s a simple, yet effective approach!

    rodolfo_freeman
    Dec 9 2024 - 17:52
  • Passed 1Z0-808 with High Marks

    The 1Z0-808 mock tests truly helped me achieve my high score. I was impressed by the quality of questions and features included. The Java SE 8 Programmer I exam was easier with this preparation.

    mattie121
    Dec 8 2024 - 16:02
  • Enjoyed Learning and Earned a High Score

    Initially, I subscribed to 1Z0-819 premium questions for practice, thinking it would be casual. However, I got deeply interested and decided to attempt the 1Z0-819 exam. Achieving a great score was an amazing surprise!

    CaelFernandez
    Dec 6 2024 - 09:51
  • Improved Understanding and Speed

    At first, I had to attempt every 1Z0-1113 mock exam twice to get through. But with consistent practice, I began understanding the questions better and found my re-work time reducing significantly.

    Clarissabrennan
    Dec 2 2024 - 23:29