☕ OCP Java Developer · 1Z0-809

Java SE 8
Programmer II (1Z0-809)

Advance from OCA to OCP — master advanced class design, generics, collections, lambda expressions, streams, concurrency and JDBC to become a Java SE 8 Professional Developer.

Advanced Class Design Generics & Collections Lambda & Streams API Concurrency Exceptions & Assertions JDBC OCP Certified

Enroll Now

Advanced Class DesignInner classes, enums, interfaces & lambdas

Generics, Collections & StreamsStream API, filters & functional interfaces

Exceptions & Date/Time APIAssertions, NIO.2 & concurrency

JDBC & LocalizationDatabase connectivity & resource bundles

Exam Questions

120

Minutes Duration

65%

Passing Score

Online

Proctored Exam

Why It's Trending

OCP Java Developers Lead Enterprise Teams

Companies building scalable, high-performance Java applications rely on professionals who have proven advanced skills — the OCP credential is the recognized benchmark for that expertise.

Trending

9M+

Java Developers Worldwide

Java continues to be one of the top programming languages used by enterprises and developers globally.

45%

Roles Asking for OCP Skills

Senior and lead Java developer roles frequently list OCP-level skills such as streams and concurrency.

Trending

OCP

Globally Recognized Credential

1Z0-809 completes the Oracle Certified Professional Java SE 8 Developer credential.

+22%

Higher Pay for OCP Developers

Certified Professional Java developers command a strong premium over associate-level peers.

Course Content

Complete Java SE 8 Programmer II Curriculum

Click any module to expand and explore the topics covered in detail.

Java Class Design

6 Topics

Implement encapsulation

Implement inheritance including visibility modifiers and composition

Implement polymorphism

Override hashCode, equals, and toString methods from the Object class

Create and use singleton classes and immutable classes

Develop code that uses the static keyword on initialize blocks, variables, methods and classes

Advanced Java Class Design

6 Topics

Develop code that uses abstract classes and methods

Develop code that uses the final keyword

Create inner classes including static inner, local, nested and anonymous inner classes

Use enumerated types including methods and constructors in an enum type

Develop code that declares, implements and/or extends interfaces and use the @Override annotation

Create and use Lambda expressions

Generics and Collections

8 Topics

Create and use a generic class

Create and use ArrayList, TreeSet, TreeMap and ArrayDeque objects

Use java.util.Comparator and java.lang.Comparable interfaces

Work with Collections, Streams and Filters

Iterate using forEach methods of Streams and List

Describe the Stream interface and Stream pipeline

Filter a collection by using lambda expressions

Use method references with Streams

Lambda Built-in Functional Interfaces

4 Topics

Use built-in interfaces from the java.util.function package such as Predicate, Consumer, Function and Supplier

Develop code that uses primitive versions of functional interfaces

Develop code that uses binary versions of functional interfaces

Develop code that uses the UnaryOperator interface

Java Stream API

7 Topics

Extract data from an object using peek() and map() methods including primitive versions of map()

Search for data using findFirst, findAny, anyMatch, allMatch and noneMatch

Develop code that uses the Optional class

Develop code that uses Stream data and calculation methods

Sort a collection using the Stream API

Save results to a collection using collect() and group/partition data using the Collectors class

Use flatMap() methods in the Stream API

Exceptions and Assertions

5 Topics

Use try-catch and throw statements

Use catch, multi-catch and finally clauses

Use Autoclose resources with a try-with-resources statement

Create custom exceptions and Auto-closeable resources

Test invariants by using assertions

Java SE 8 Date/Time API

13 Topics

Create and manage date/time events using LocalDate, LocalTime, LocalDateTime, Instant, Period and Duration

Work with dates and times across time zones and handle daylight savings, including formatting

Define and manage date-based and time-based events using Instant, Period, Duration and TemporalUnit

Read and write data from the console and use BufferedReader, BufferedWriter, File, FileReader, FileWriter and related java.io classes

Use the Path interface to operate on file and directory paths

Use the Files class to check, read, delete, copy, move and manage metadata of files/directories

Use the Stream API with NIO.2

Create worker threads using Runnable, Callable and an ExecutorService

Identify threading problems among deadlock, starvation, livelock and race conditions

Use the synchronized keyword and java.util.concurrent.atomic package

Use java.util.concurrent collections and classes including CyclicBarrier and CopyOnWriteArrayList

Use the parallel Fork/Join Framework

Use parallel Streams including reduction, decomposition, merging and pipelines

Building Database Applications with JDBC

6 Topics

Describe the core JDBC API interfaces: Driver, Connection, Statement and ResultSet

Connect to a database using the DriverManager class and JDBC URL

Submit queries and read results, including creating statements, returning result sets and properly closing resources

Read and set the locale using the Locale object

Create and read a Properties file

Build and load a resource bundle for each locale in an application

FAQs

Frequently Asked Questions

Who should take the 1Z0-809 exam?

Java developers who hold the OCA Java SE 8 Programmer I credential and want to advance to the Oracle Certified Professional level.

Do I need prerequisites for this exam?

Yes — you must hold the Java SE 8 Programmer I (1Z0-808) OCA certification before taking this exam.

Is the 1Z0-809 exam proctored?

Yes. The exam is delivered as a proctored online exam, monitored to validate candidate identity and exam integrity.

What topics carry the most weight in this exam?

Lambda expressions, the Stream API, generics/collections and concurrency form a large portion of the exam.

What can I pursue after 1Z0-809?

Completing this exam earns the OCP Java SE 8 Programmer credential, and is a strong foundation for Java SE 11/17 upgrade exams and enterprise Java frameworks.

How is the exam scored?

The exam consists of 68 multiple choice questions to be completed in 120 minutes, with a passing score of 65%.

Java SE 8
Programmer II (1Z0-809)

OCP Java Developers Lead Enterprise Teams

Your Path to Oracle Certified Professional

Exam 1Z0-809: Java SE 8 Programmer II

Complete Java SE 8 Programmer II Curriculum

Frequently Asked Questions

Become an Oracle Certified Professional Java Developer

Java SE 8Programmer II (1Z0-809)

OCP Java Developers Lead Enterprise Teams

Your Path to Oracle Certified Professional

Exam 1Z0-809: Java SE 8 Programmer II

Complete Java SE 8 Programmer II Curriculum

Frequently Asked Questions

Become an Oracle Certified Professional Java Developer

Java SE 8
Programmer II (1Z0-809)