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Java SE 17 Developer
The Java SE 17 Developer (1Z0-829) certification is a professional-grade credential designed to validate a developer's ability to design, implement, and debug applications using the Java SE 17 platform
- 90 min
- 68% to pass
- 50 bank questions
- 12 domains
certilumExam syllabus, organized by domain
The official Oracle blueprint, with the real weight each domain carries on test day.
Try a real question
Answer one question from the live bank. Grading happens on our servers, so the answer key never reaches the page.
Try a real question
Sample Java SE 17 Developer exam question
Answer this question the same way you would on exam day. No sign-up needed — one random question, three tries to swap it out.
A Java 8 application was migrated to Java SE 17. The bootstrap code still calls Class.forName with the MySQL driver class before DriverManager.getConnection. The MySQL Connector/J jar is on the classpath and supports JDBC automatic discovery. What is true about this manual class loading?
Exam facts at a glance
Every figure below comes from the certification record or from the question bank itself.
- Time limit
- 90 minutes
- Passing score
- 68%
- Domains
- 12
- Questions in our bank
- 50
- Level
- ASSOCIATE
- Measured complexity
- 1.8 / 10
- Question mix
- 21 single · 16 multi · 13 interactive
Where the hard questions actually are
We score every question in the bank 1-10 on a reproducible formula. Below is the per-domain breakdown.
- Arrays and Collections5 questions · complexity 2.0/10 · Gentle
40% multi-select · 0% scenario · 20% interactive
- Concurrency7 questions · complexity 1.7/10 · Gentle
29% multi-select · 0% scenario · 29% interactive
- Controlling Program Flow2 questions · complexity 2.0/10 · Gentle
50% multi-select · 0% scenario · 0% interactive
- Handling Date, Time, Text, Numeric and Boolean Values4 questions · complexity 1.5/10 · Gentle
25% multi-select · 0% scenario · 25% interactive
- Handling Exceptions3 questions · complexity 2.0/10 · Gentle
33% multi-select · 0% scenario · 33% interactive
- I/O and NIO.23 questions · complexity 2.0/10 · Gentle
33% multi-select · 0% scenario · 33% interactive
- JDBC3 questions · complexity 2.0/10 · Gentle
33% multi-select · 0% scenario · 33% interactive
- Localization2 questions · complexity 2.0/10 · Gentle
50% multi-select · 0% scenario · 0% interactive
- Modules and Deployment4 questions · complexity 1.5/10 · Gentle
25% multi-select · 0% scenario · 25% interactive
- Object-Oriented Concepts10 questions · complexity 1.8/10 · Gentle
30% multi-select · 0% scenario · 30% interactive
- Streams and Lambda Expressions6 questions · complexity 2.0/10 · Gentle
33% multi-select · 0% scenario · 33% interactive
- Supplementary Topics1 questions · complexity 1.0/10 · Gentle
0% multi-select · 0% scenario · 0% interactive
Read the questions before you take them
The question bank with the correct answer and a written explanation for every item.
Frequently asked questions
What you need to know before attempting the Java SE 17 Developer certification.
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