Oracle certification practice
Practise Oracle Certified Professional Java SE 17 Developer 1Z0-829 across all 8 official exam domains — Handling Date, Time, Text, Numeric and Boolean Values, Controlling Program Flow, Utilizing Java Object-Oriented Approach, Handling Exceptions, and more — with original exam-style questions, full explanations, and wrong-answer analysis. Courseiva helps you prepare with realistic practice questions, topic-based revision, explained answers and structured study routes.
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Senior Network & Security Engineer · founder of Courseiva
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Recommended: 25-question diagnostic
Covers all 8 domains · takes ~5 min · no account needed · shows your weak areas immediately
Key facts for the Oracle Certified Professional Java SE 17 Developer 1Z0-829 exam.
Exam cost
$245 USD / ~£195
Duration
90 minutes
Question count
50 questions
Passing score
68%
Validity
Lifetime (no expiry)
Delivered by
Pearson VUE
Online proctored
Yes — available
Retake policy
100% free — no account required
Everything on Courseiva for 1Z0-829 is free — no subscription, no trial, no email wall.
Courseiva provides free Oracle Certified Professional Java SE 17 Developer 1Z0-829 (1Z0-829) practice questions with original exam-style questions, detailed explanations, topic-based practice, mock exams, readiness tracking, and study analytics. Courseiva is an independent platform and is not affiliated with Oracle.
14 days between attempts
Question formats
The Oracle Certified Professional Java SE 17 Developer (1Z0-829) is the premier certification for Java developers, validating deep knowledge of Java SE 17 language features, APIs, and object-oriented design principles. The exam covers records, sealed classes, pattern matching, text blocks, modules (JPMS), streams, lambdas, concurrency, generics, and I/O. It replaced the Java SE 11 OCP as the current professional-level Java credential and is recognized globally by enterprise software companies as proof of Java expertise. No associate-level exam is required as a prerequisite.
Official prerequisite
No formal prerequisites; Oracle removed the mandatory associate exam requirement for this version.
Recommended experience
1–3 years of professional Java development experience; solid understanding of OOP, Java SE APIs, and at least Java 8 features (streams, lambdas).
1–3 years of Java development experience with familiarity with Java 8+ features.
Should you skip this exam?
Complete beginners to Java programming or those who only use Java peripherally and do not need to prove language-level expertise.
Courseiva study tip
Write and compile code by hand daily — the exam includes tricky code-trace questions. Use Selikoff & Boyarsky's OCP Java 17 Study Guide and practice with mock exams extensively.
UK salary range
£50,000–£85,000
US salary range
$90,000–$140,000
Job roles that cite 1Z0-829
What certification to take next
The 1Z0-829 exam costs $245 USD per attempt when booked through Pearson VUE.
You need to score 68% or higher to pass the Oracle Certified Professional Java SE 17 Developer exam.
The exam has 50 questions with a 90-minute time limit. Questions include multiple choice, multiple response, and code analysis (reading and predicting output of code snippets).
The exam covers Java SE 17 features including records, sealed classes, pattern matching, text blocks, the Java Module System (JPMS), streams, functional interfaces, lambdas, concurrency, generics, I/O, and exception handling.
Yes, it is widely considered one of the harder programming certification exams. Code-trace questions require precise understanding of Java's execution model, operator precedence, and subtle API behaviour.
No. Oracle Java certifications do not expire — they are lifetime credentials, though they certify a specific Java version.
No. Oracle removed the mandatory prerequisite for the Java SE 17 OCP. You can register and sit 1Z0-829 directly without passing an associate-level exam.
See how 1Z0-829 stacks up against related certifications.
Courseiva Exam Intelligence
Data confidence: BuildingDerived from Courseiva's continuously updated practice dataset: 513 exam-style questions. Updated 2 July 2026.
Question difficulty mix
Average time per question: 93s
8
Exam domains
official blueprint domains covered by the bank
513
Questions
exam-style questions in the 1Z0-829 bank
Practice modes
Choose a mode that matches your current study phase. Use topic practice early on and mock exams closer to your exam date.
All 1Z0-829 Questions
Browse the full question bank organised by domain and difficulty.
Practice Test
Start a 20-question session with a full explanation after each answer.
Mock Exam
Simulate the real exam with a timed, full-length question set.
Quick 25
A 25-question warm-up — ideal for a short daily study session.
Flashcards
Reinforce key terms, commands, and protocol facts with flashcards.
Domain Practice
Focus exclusively on one exam domain to target your weakest area.
50-Question Set
Mid-length practice set covering all domains.
Exam guide
Start with a short practice session, review each missed answer, then return to the topics that caused mistakes.
Oracle Certified Professional Java SE 17 Developer 1Z0-829 spans 8 official exam domains (Handling Date, Time, Text, Numeric and Boolean Values, Controlling Program Flow, Utilizing Java Object-Oriented Approach, and more). Questions test whether you can apply each objective in a realistic scenario, not just recall a definition.
Related practice questions
Use these internal links to move from the exam guide into focused topic practice pages.
Practise 1Z0-829 questions linked to Handling Date, Time, Text, Numeric and Boolean Values.
Practise 1Z0-829 questions linked to Controlling Program Flow.
Practise 1Z0-829 questions linked to Utilizing Java Object-Oriented Approach.
Practise 1Z0-829 questions linked to Handling Exceptions.
Practise 1Z0-829 questions linked to Working with Arrays and Collections.
Practise 1Z0-829 questions linked to Working with Streams and Lambda Expressions.
Practise 1Z0-829 questions linked to Java Platform Overview and Packaging.
Practise 1Z0-829 questions linked to Java I/O API and Securing Applications.
Practise 1Z0-829 questions linked to 1Z0-829 fundamentals.
Practise 1Z0-829 questions linked to 1Z0-829 scenario.
Practise 1Z0-829 questions linked to 1Z0-829 troubleshooting.
Practice directory
Every practice set is a unique selection of questions — numbered tests, domain-focused sessions, and topic-specific quizzes.
Showing 8 of 37 tests. See all 37 1Z0-829 practice tests →
Official blueprint
Target weak areas by practising questions from a single domain. Each domain page shows all questions, difficulty breakdown, and a focused practice session.
Practise 1Z0-829 questions in this domain →
Practise 1Z0-829 questions in this domain →
Practise 1Z0-829 questions in this domain →
Practise 1Z0-829 questions in this domain →
Practise 1Z0-829 questions in this domain →
Practise 1Z0-829 questions in this domain →
Practise 1Z0-829 questions in this domain →
Practise 1Z0-829 questions in this domain →
Deep-dive questions
The most-searched 1Z0-829 questions — each with a detailed explanation, worked example, and full answer breakdown.
Learn the concepts
18 book-style chapters cover every 1Z0-829 objective in plain English. Read the theory here, then test it with practice questions.
Chapter 1
Java Basics and Object-Oriented Programming Principles
12 min read
Chapter 2
Working with Java Data Types
12 min read
Chapter 3
Controlling Program Flow
12 min read
Chapter 4
Iterations and Loops
12 min read
Chapter 5
Java Object-Oriented Programming Deep Dive
12 min read
Chapter 6
Inheritance and Polymorphism
12 min read
Chapter 7
Interfaces and Lambda Expressions
12 min read
Chapter 8
Exceptions and Assertions
12 min read
Free study guide
The Courseiva 1Z0-829 study guide covers exam format, the official domain blueprint with weights, a structured study plan, and domain-specific tips for each section. Use it alongside practice questions to build both conceptual depth and exam confidence.
Sample questions
Original exam-style questions — not copied from any exam or dump site. Open a question for the full answer breakdown.
What does the Map.merge() method do if the specified key is absent?
A developer is designing a service that processes multiple files concurrently. To avoid resource leaks, which practice is essential?
A developer runs the command above on a JAR file. Which statement accurately describes the module myapp?
Which TWO statements about lambda expressions are true? (Choose two.) A. A lambda expression can be assigned to a functional interface variable. B. A lambda expression can access f…
Which THREE of the following are true about the Optional class? (Choose three.)
Given the following switch statement: ```java int x = 2; switch (x) { default: System.out.print("default "); case 1: System.out.print("1 "); case 2:…
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Ways to study 1Z0-829