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!)

  • Reasonably Priced and Worth It

    With so many features included, the reasonably priced 1Z0-808 practice questions were a fantastic resource. They truly simplified my preparation for the Java SE 8 Programmer I exam.

    neil8
    Nov 29 2024 - 11:37
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    The 1Z0-809 mock tests have earned a strong reputation in Cambodia. When others discovered I was using them to prepare for the Java SE 8 Programmer II exam, they appreciated my commitment and became eager to learn more.

    EvanM
    Nov 26 2024 - 13:45
  • Progress Through Consistent Practice

    To ensure I covered all aspects of the 1Z0-819 syllabus and became accustomed to randomly ordered questions, I practiced with over 1095 mock questions. Each attempt improved my understanding, and by the time of the real exam, I was fully prepared and scored excellently.

    ashanti.w
    Nov 25 2024 - 17:23
  • Beyond Happy with My Results!

    I can’t believe I passed the Oracle Certified Professional Java SE 21 Developer certificate exam—this is a moment of pure joy! The 1Z0-830 mock tests played a key role in my success. Their challenging questions and thorough practice helped me stay on track for this achievement.

    graysonrowland
    Nov 25 2024 - 12:05
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    The 1Z0-811 practice test gave me unlimited access to resources at an unbeatable price. Tracking my progress with the performance history feature was invaluable, helping me excel in the 1Z0-811 certification exam.

    shieldslorrie90
    Nov 18 2024 - 13:25