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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
English, Chinese Simplified (for Taiwan)
Validity
Non-expiring (certification does not expire but may become outdated)
Take newer Java SE certification exams (e.g., 1Z0-829 for Java SE 17); Stay current with Oracle's latest Java certifications
1Z0-819 Exam Topics and Domains
1Z0-819 is organized into 13 weighted domains. Expect to work with Boolean, Byte, Character, Double, and more.
1
Working with Java data types
Primitives and Wrapper ClassesUse primitives and wrapper classes
Text HandlingHandle text using String and StringBuilder classes
Local Variable Type InferenceUse local variable type inference
2
Controlling Program Flow
Loops and Control Statements
Create and use loopsUse if/else statementsUse switch statements
3
Java Object-Oriented Approach
Fields and MethodsDefine and use fields and methods
Object InitializationInitialize objects and members
InheritanceCreate and use subclasses and superclasses
PolymorphismUtilize polymorphism and casting
EnumerationsCreate and use enumerations
Object Lifecycle
Declare and instantiate Java objectsExplain object lifecycles
Encapsulation and Immutability
Understand variable scopesApply encapsulationMake objects immutable
Interfaces
Create and use interfacesIdentify functional interfacesUtilize private, static, and default methods
4
Exception Handling
Custom ExceptionsCreate and use custom exceptions
Exception Handling Constructs
Handle exceptions using try/catch/finallyUse try-with-resourcesUse multi-catch statements
5
Working with Arrays and Collections
GenericsUse generics including wildcards
SortingSort collections and arrays
Collections
Use Java arraysUse List, Set, Map, and Deque collections
6
Working with Streams and Lambda expressions
Functional Interfaces and Lambda ExpressionsImplement functional interfaces using lambda expressions
Decomposition and ReductionPerform decomposition and reduction
Stream Operations
Use Java Streams to filter dataUse Java Streams to transform dataUse Java Streams to process data
7
Java Platform Module System
Modular Applications
Deploy and execute modular applicationsDeclare, use, and expose modules
8
Concurrency
Thread SafetyDevelop thread-safe code
Thread Management
Create worker threads using Runnable and CallableManage concurrency using ExecutorService
9
Java I/O API
I/O StreamsRead and write console and file data
SerializationImplement serialization and deserialization
File System OperationsHandle file system objects using java.nio.file API
10
Secure Coding in Java SE Application
Security Threats MitigationMitigate security threats
Resource Access SecuritySecure resource access
11
Database Applications with JDBC
JDBC Operations
Connect to and perform database SQL operationsProcess query results using JDBC API
12
Localization
Localization Implementation
Implement Localization using LocaleUse resource bundlesParse and format messages, dates, and numbers
13
Annotations
Annotation Creation and ProcessingCreate, apply, and process annotations
How do I earn this certification?
Passing 1Z0-819 earns the Oracle Certified Professional: Java SE 11 Developer certification. It sits in the Java Developer track.
Current Level Exams
1Z0-817 - Java SE 11 Developer Upgrade For those upgrading from Java SE 8 or earlier certifications
Next Level Options
- 1Z0-829 - Java SE 17 DeveloperUpgrade to newer Java version certification
- 1Z0-830 - Java SE 21 DeveloperLatest LTS Java version certification
Alternative Paths
- 1Z0-900 - Java EE 7 Application DeveloperEnterprise Java development focus
- 1Z0-931 - Oracle Autonomous Database Cloud Specialist Complementary database skills for Java developers
- 1Z0-084 - Oracle Cloud Infrastructure Developer ProfessionalCloud-native Java application development
Practice with Precision
The PlanetCert Simulator mirrors the real exam environment with authentic questions and timed pressure.
How to study for this exam?
The most effective way to prepare for 1Z0-819 is by using the PlanetCert Simulator to practice questions and review detailed explanations.
What's changed on this exam?
Current Status
- ACTIVE
- Last content update: 2020-10-01
- Announcement date: 2020-08-01
Updates
- Java Platform Module System (JPMS) Java SE 11 Critical exam topic - module declarations, requires, exports, services • Release date: 2018-09-25
- Lambda Expressions and Streams API Java SE 8 (retained in SE 11) Major exam focus - functional programming, stream operations, collectors • Release date: 2014-03-18
- Local Variable Type Inference (var) Java SE 10 (included in SE 11) Tested topic - var usage rules and limitations • Release date: 2018-03-20
- Enhanced try-with-resources Java SE 9 (retained in SE 11) Exception handling improvements - effective final variables in try-with-resources • Release date: 2017-09-21
Who should take this exam?
- 6-18 months of Java development experience for Programmer I topics
- 12-24 months total experience for complete exam coverage
- Familiarity with object-oriented programming concepts
- Experience with Java SE 11 features and APIs
- Understanding of functional programming with lambda expressions
- Knowledge of Java Platform Module System