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!)

  • Smart Move This Time

    I didn’t want to repeat my mistakes, so I relied on Java SE 8 Programmer I mock tests. Practicing strategically helped me master key topics and approach the actual exam with ease.

    esperanza1991
    Jul 9 2025 - 05:22
  • That Was Smooth!

    Wrapped up the 1Z0-829 exam today and it went great! The questions were super close to what I practiced, so I didn’t waste any time second-guessing. Finished the exam comfortably in 90 minutes.

    Jomon thomas
    Jul 9 2025 - 04:15
  • Practice Until You Perfect It

    For the 1Z0-811 certification, I dedicated countless hours to mock tests. This steady effort helped me cover every topic in the exam syllabus and approach the exam with confidence.

    Rey Powers
    Jul 1 2025 - 12:40
  • Great Value and Up-to-Date Material

    What impressed me most was the affordable access to high-quality questions with free updates. It made preparing for the 1Z0-900 exam simple and effective.

    harry661
    Jun 29 2025 - 02:51
  • Two Months of Practice = Success

    Practicing every day for Java SE 21 Developer Professional using realistic mock tests really helped sharpen my skills. The consistent effort paid off and I'm now certified.

    Bjacqueline
    Jun 22 2025 - 04:26