Oracle · 2026 Edition
1Z0-829 Study Guide — How to Pass Oracle Certified Professional Java SE 17 Developer
A complete preparation guide written by Oracle-certified engineers. Covers the exam format, all 5 blueprint domains, a week-by-week study plan, and proven tips for passing first time.
2–4 months
Prep time
Intermediate
Difficulty
50
Exam questions
680/1000
Pass mark
1Z0-829 Exam at a Glance
Exam code
1Z0-829
Full name
Oracle Certified Professional Java SE 17 Developer
Vendor
Oracle
Duration
90 minutes
Questions
~50 items
Passing score
680 / 1000 (scaled)
Domains covered
5 blueprint domains
Recommended experience
Foundational IT knowledge recommended
Typical prep time
2–4 months
Why Earn the 1Z0-829?
This certification validates specialised skills recognised by employers globally and opens doors to higher-level roles.
Job roles this opens
1Z0-829 Exam Domains
Official Oracle blueprint weights — study time should roughly match these percentages.
1Z0-829 Study Plan
Phase 1
Core concepts and foundational domains
Tip: Build a strong foundation before tackling advanced topics.
Phase 2
Intermediate domains and scenario practice
Tip: Focus on scenario-based questions — they dominate modern certification exams.
Phase 3
Weak domains and full mock exams
Tip: Use JT Exams domain analytics to target your lowest-accuracy areas.
1Z0-829 Exam Tips
Study the official exam blueprint — weight percentages tell you exactly where to invest prep time.
Practise scenario-based questions regularly — every modern cert exam is scenario-heavy.
Use spaced repetition to retain what you've learned (JT Exams does this automatically).
Book your exam date once you're scoring 80%+ consistently on practice tests.
Review explanations for every wrong answer, not just the question — the 'why' is what makes it stick.
Ready to practice 1Z0-829?
Apply everything in this guide with adaptive practice questions, AI explanations, and domain analytics.
1Z0-829 concept guides
Deep-dive explanations of the key topics tested on 1Z0-829 — with exam key points and common misconceptions.