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Exam Information
Official specifications published by Oracle
Exam Format
90 min
50
68%
Professional
Registration
$245 USD
Pearson VUE or online proctoring
Validity
Lifetime (no expiration)
1Z0-829 Exam Topics and Domains
1Z0-829 is organized into 11 weighted domains. Expect to work with java.lang.String, java.sql.Connection, java.io package, java.io.ObjectInputStream, and more.
1
Handling date, time, text, numeric and boolean values
10%
Use primitives and wrapper classes
Primitives and Wrapper ClassesMath APIArithmetic and Boolean Expressions
- Evaluate arithmetic and boolean expressions using primitives and wrapper classes
- Apply type promotion and casting correctly
- Use Math API for mathematical operations
Manipulate text using String and StringBuilder
String ClassStringBuilder ClassText Blocks (Java 15+)
- Manipulate strings using String and StringBuilder classes
- Understand String immutability and performance implications
- Use text blocks for multi-line string literals
Manipulate date and time objects using Date-Time API
Date and Time ClassesPeriod and DurationTime Zones
- Create and manipulate date, time, and time-zone objects
- Use Period and Duration for date/time calculations
- Work with Instant for machine-readable timestamps
2
Controlling Program Flow
8%
Create program flow control constructs
If/Else StatementsSwitch Statements and Expressions (Java 14+)Loops
- Implement if/else, switch statements and expressions
- Create and control loops effectively
- Use break and continue statements appropriately
3
Utilizing Java Object-Oriented Approach
30%
Declare and instantiate Java objects
Object Creation and LifecycleNested Classes
- Create and manage object lifecycle
- Implement nested classes appropriately
- Understand garbage collection basics
Create classes and records
Class DefinitionRecords (Java 14+)
- Design and implement classes with proper structure
- Use records for immutable data carriers
- Understand initialization order
Implement overloading
Method Overloading
- Implement method overloading correctly
- Use varargs in overloaded methods
- Understand method resolution
Variable scopes and encapsulation
Variable ScopesEncapsulation
- Apply proper variable scoping
- Use local variable type inference (var)
- Implement encapsulation and create immutable objects
Implement inheritance and polymorphism
InheritanceOverriding Object MethodsPolymorphism and Type Casting
- Implement inheritance including abstract and sealed classes
- Override Object class methods correctly
- Apply polymorphism and perform type casting safely
Create and use interfaces
Interface BasicsAdvanced Interface Features
- Create and implement interfaces
- Use default, static, and private interface methods
- Identify and create functional interfaces
Create and use enumerations
Enum Features
- Create enumerations with fields, methods, and constructors
- Use enum features effectively
4
Handling Exceptions
7%
Exception handling mechanisms
Try-Catch-FinallyTry-With-ResourcesMulti-Catch and Custom Exceptions
- Handle exceptions using try/catch/finally blocks
- Use try-with-resources for automatic resource management
- Create and use custom exceptions
- Apply multi-catch blocks appropriately
5
Working with Arrays and Collections
10%
Arrays
Array Operations
- Create and manipulate Java arrays
- Use Arrays class utility methods
Collections Framework
List InterfaceSet InterfaceMap InterfaceDeque Interface
- Create and manipulate List, Set, Map, and Deque collections
- Add, remove, update, retrieve, and sort collection elements
- Choose appropriate collection types for different scenarios
6
Working with Streams and Lambda expressions
12%
Lambda expressions and functional interfaces
Lambda Syntax
- Write lambda expressions implementing functional interfaces
- Use method references appropriately
Stream API
Stream Creation and OperationsPrimitive StreamsAdvanced Stream OperationsParallel Streams
- Create and use object and primitive streams
- Apply lambda expressions in stream operations
- Perform filtering, mapping, and consuming operations
- Use collectors for grouping and partitioning
- Work with sequential and parallel streams
7
Packaging and deploying Java code and use the Java Platform Module System
8%
Java Platform Module System (JPMS)
Module BasicsServices
- Define modules and their dependencies
- Expose module content including for reflection
- Define services, producers, and consumers
Compiling and packaging
Compilation and JAR CreationModule Migration
- Compile Java code with modules
- Produce modular and non-modular JARs
- Create runtime images with jlink
- Implement migration using unnamed and automatic modules
8
Managing concurrent code execution
8%
Thread creation and management
Thread BasicsExecutor Services
- Create worker threads using Runnable and Callable
- Manage thread lifecycle
- Use different Executor services
Thread safety and synchronization
Synchronization MechanismsConcurrent Collections
- Develop thread-safe code using locking mechanisms
- Use concurrent API effectively
- Process collections concurrently
Parallel processing
Parallel Streams
- Process Java collections concurrently
- Use parallel streams effectively
9
Using Java I/O API
7%
I/O Streams
Console and File I/OSerialization
- Read and write console and file data using I/O Streams
- Serialize and deserialize Java objects
NIO.2 (java.nio.file)
Path APIFiles API
- Create, traverse, read, and write Path objects
- Work with Path properties using java.nio.file API
10
Accessing databases using JDBC
5%
JDBC Fundamentals
Database ConnectionsSQL Statement ExecutionResult ProcessingTransaction Management
- Create database connections using JDBC
- Execute SQL statements using Statement, PreparedStatement, and CallableStatement
- Process query results with ResultSet
- Control transactions with commit and rollback
11
Implementing Localization
5%
Localization fundamentals
LocalesResource Bundles
- Implement localization using Locale
- Use ResourceBundle for externalized strings
Formatting and parsing
Message FormattingNumber and Currency FormattingDate and Time Formatting
- Parse and format messages with MessageFormat
- Format dates, times, and numbers for different locales
- Format currency and percentage values
How do I earn this certification?
Passing 1Z0-829 earns the Oracle Certified Professional: Java SE 17 Developer certification. It sits in the Java track.
Next Level Options
- 1Z0-830 - Java SE 21 DeveloperUpgrade to latest LTS Java version (Java 21) • Stay current with latest Java LTS release
- Oracle Certified Master, Java SE Highest level of Java certification (invitation only) • Achieve master-level Java expertise
Alternative Paths
- 1Z0-900 - Java EE 7 Application DeveloperBuild enterprise-level Java applications • Enterprise application development with Java EE
- Spring Professional Certification Demonstrate expertise in Spring framework • Popular Java framework for enterprise applications
- 1Z0-808 - Java SE 8 Programmer IEntry-level Java 8 certification • Consider Java 17 instead as Java 8 support is limited • Alternative for Java 8 environments
Practice with Precision
The PlanetCert Simulator mirrors the real exam environment with authentic questions and timed pressure.
How to study for this exam?
Use the official PlanetCert Practice Test alongside the study plan below to prepare efficiently for 1Z0-829.
What's changed on this exam?
Current Status
- ACTIVE
- Last content update: 2021-10-01
- Announcement date: 2021-09-15
Updates
- Virtual Threads (Project Loom) Java 21 Not in 1Z0-829 (Java 17), but featured in 1Z0-830 (Java 21) • Release date: 2023-09-19
- Pattern Matching for Switch Java 17 (Preview), Java 21 (Finalized) Preview feature in Java 17, likely tested in limited form in 1Z0-829 • Release date: 2021-09-14
- Sealed Classes Java 17 Key topic in 1Z0-829 exam • Release date: 2021-09-14
- Records Java 16 (Finalized) Major topic in 1Z0-829 exam • Release date: 2021-03-16
Who should take this exam?
This exam is typically taken by Java developers seeking professional certification and Software engineers working with Java applications.