1Z0-809 Java SE 8 Programmer II Practice Tests — 19 Mock Exams

Strengthen your knowledge of Java SE 8 Programmer II with 19 mock exams covering the advanced Java language and API concepts associated with the Oracle 1Z0-809 certification exam. This MyExamCloud practice resource provides questions and explanations covering class design, generics and collections, lambda expressions, functional interfaces, streams, exceptions, Date/Time, I/O, NIO.2, concurrency, JDBC, and localization.

The 1Z0-809 Java SE 8 Programmer II exam was the advanced examination in the Java SE 8 professional certification track. Its objectives covered 12 major topic areas, ranging from advanced Java class design and generics to concurrency, JDBC, and localization.

Historical exam status: The Java SE 8 Programmer II 1Z0-809 examination was discontinued on July 16, 2025. This practice course is therefore maintained as a reference and practice resource for the historical 1Z0-809 / OCPJP 8 examination.

What Was the 1Z0-809 Java SE 8 Programmer II Exam?

1Z0-809 was the advanced Java SE 8 Programmer II examination associated with the professional Java SE 8 certification track. The exam focused on advanced Java programming concepts and required knowledge beyond foundational Java programming.

Note: The exam details above describe the historical 1Z0-809 examination and should not be interpreted as current registration or scheduling information.

1Z0-809 Java SE 8 Programmer II Syllabus

1. Java Class Design

Review the principles used to design Java classes and object-oriented applications.

• Implement encapsulation.
• Implement inheritance, including visibility modifiers and composition.
• Implement polymorphism.
• Override hashCode(), equals(), and toString().
• Create and use singleton classes.
• Create and use immutable classes.
• Use the static keyword with initialization blocks, variables, methods, and classes.

2. Advanced Java Class Design

Study advanced class and interface structures used in Java SE 8 development.

• Create and use abstract classes and abstract methods.
• Use the final keyword correctly.
• Create static nested classes.
• Create local and anonymous inner classes.
• Use enumerated types, including enum methods and constructors.
• Declare, implement, and extend interfaces.
• Use the @Override annotation.
• Create and use lambda expressions.

3. Generics and Collections

Review Java generics and the Collections Framework, including type parameters, wildcard bounds, collection behavior, and ordering.

• Create and use generic classes.
• Work with generic methods and type parameters.
• Use bounded types and wildcards.
• Use ArrayList, TreeSet, TreeMap, and ArrayDeque.
• Use Comparable and Comparator.
• Understand ordering, equality, hashing, and collection behavior.
• Use collection operations with lambda expressions.
• Iterate through collections using forEach().

4. Built-In Functional Interfaces

Practice the functional interfaces introduced as part of Java SE 8 functional programming.

• Predicate
• Consumer
• Function
• Supplier
• Primitive functional interfaces
• Binary functional interfaces
• UnaryOperator
• Lambda expressions and target typing
• Method references

5. Java Stream API

Review stream pipelines and the operations used to process collections and other data sources.

• Understand the Stream interface and stream pipelines.
• Use intermediate and terminal operations.
• Use filter() and map().
• Use primitive mapping operations.
• Use peek().
• Use findFirst() and findAny().
• Use anyMatch(), allMatch(), and noneMatch().
• Use Optional.
• Perform calculations using stream operations.
• Sort data using streams.
• Use collect() and the Collectors API.
• Use grouping and partitioning operations.
• Use flatMap().

Pay attention to stream laziness, intermediate operations, terminal operations, lambda expressions, method references, and collection types.

6. Exceptions and Assertions

Review Java exception-handling rules and assertions.

• Use try and catch.
• Use throw and throws.
• Use multi-catch.
• Use finally.
• Create custom exception classes.
• Use try-with-resources.
• Work with AutoCloseable resources.
• Understand exception propagation.
• Use assertions to test invariants.

7. Java SE 8 Date/Time API

Review the modern Date/Time API introduced in Java SE 8.

• LocalDate
• LocalTime
• LocalDateTime
• Instant
• Period
• Duration
• TemporalUnit
• Time zones
• Daylight-saving transitions
• Date and time formatting
• Date and time parsing

8. Java I/O

Review Java I/O APIs for reading and writing character and binary data.

• BufferedReader
• BufferedWriter
• FileReader
• FileWriter
• FileInputStream
• FileOutputStream
• ObjectInputStream
• ObjectOutputStream
• PrintWriter
• Console input and output
• Serialization

9. Java File I/O with NIO.2

Review the Java SE 8 NIO.2 APIs used for file-system programming.

• Use the Path interface.
• Work with files and directories.
• Use the Files class.
• Read, write, copy, move, and delete files.
• Check file and directory properties.
• Work with file metadata.
• Use streams with NIO.2.
• Use file traversal and search operations.

10. Java Concurrency

Review concurrency APIs and the behavior of Java applications executing multiple tasks.

• Create worker threads with Runnable.
• Use Callable.
• Use ExecutorService.
• Understand synchronization.
• Use atomic classes.
• Work with concurrent collections.
• Understand race conditions.
• Identify deadlock, starvation, and livelock scenarios.
• Use CyclicBarrier.
• Use CopyOnWriteArrayList.
• Understand the Fork/Join Framework.
• Analyze parallel streams.

11. JDBC and Database Applications

Review the JDBC programming model used to access relational databases from Java applications.

• Understand the JDBC API.
• Use Driver, Connection, Statement, and ResultSet.
• Use DriverManager.
• Understand JDBC URLs.
• Create statements.
• Execute database queries.
• Process ResultSet objects.
• Close JDBC resources correctly.
• Understand transactions and transaction boundaries.

12. Localization

Review Java APIs for supporting different languages, regions, and locale-specific resources.

• Use the Locale class.
• Read and set locale information.
• Create and read Properties files.
• Create resource bundles.
• Load locale-specific resource bundles.
• Understand locale-sensitive formatting.

What Is Included in This 1Z0-809 Practice Course?

• 19 mock exams for Java SE 8 Programmer II practice.
• Questions covering the major 1Z0-809 objective areas.
• Answer explanations for reviewing correct and incorrect choices.
• Practice covering Java language rules and Java SE 8 APIs.
• Code-tracing, compilation-analysis, API-behavior, and execution-logic questions.
• Coverage of class design, generics, collections, lambdas, streams, exceptions, Date/Time, I/O, NIO.2, concurrency, JDBC, and localization.

How to Use the 1Z0-809 Mock Exams

1. Start with a diagnostic exam. Identify the Java topics that require additional review.
2. Study the underlying rule. Focus on why an answer is correct rather than memorizing it.
3. Practice Java SE 8 code. Reproduce difficult examples in a Java SE 8-compatible environment.
4. Analyze compilation first. Determine whether code compiles before evaluating runtime behavior.
5. Review API behavior. Understand what Java methods and classes actually do.
6. Practice mixed concepts. Advanced questions can combine streams, generics, exceptions, collections, and concurrency.
7. Use fresh mock exams. Test your ability to solve unfamiliar variations of Java problems.

Who Should Use These 1Z0-809 Practice Tests?

This course is suitable for Java developers, programmers, students, and learners reviewing the advanced Java SE 8 concepts associated with the historical 1Z0-809 examination.

It is particularly useful for learners who want to practice Java SE 8 class design, generics, collections, functional programming, streams, concurrency, I/O, JDBC, and localization through exam-style questions.

Frequently Asked Questions

What is 1Z0-809?

1Z0-809 was the Oracle Java SE 8 Programmer II examination and the advanced examination in the Java SE 8 professional certification path.

Is the 1Z0-809 exam still available?

No. The Java SE 8 Programmer II 1Z0-809 examination was discontinued on July 16, 2025. This practice course is maintained as a reference and practice resource for the historical examination.

How many mock exams are included?

This MyExamCloud product includes 19 mock exams covering the major Java SE 8 Programmer II topics.

What topics are covered?

The practice tests cover Java class design, advanced class design, generics and collections, built-in functional interfaces, the Stream API, exceptions and assertions, the Java SE 8 Date/Time API, Java I/O, NIO.2, concurrency, JDBC, and localization.

What is the difference between 1Z0-808 and 1Z0-809?

1Z0-808 Programmer I focused on foundational Java SE 8 programming knowledge, while 1Z0-809 Programmer II covered more advanced Java concepts including class design, generics, functional programming, streams, concurrency, NIO.2, JDBC, and localization.

Can I use these tests to practice modern Java?

The questions in this product focus on Java SE 8. They are intended for reviewing Java SE 8 language and API behavior rather than features introduced in later Java releases.

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Start Practicing 1Z0-809 Java SE 8 Programmer II

Use these 19 Java SE 8 Programmer II mock exams to review advanced Java language features, APIs, code behavior, and the major topics associated with the historical 1Z0-809 examination.

Historical exam note: The 1Z0-809 examination was discontinued by Oracle in July 2025. This product is intended for historical exam practice, Java SE 8 knowledge review, and legacy Java application skill development.