Oracle 1z1-809 real exam prep : Java SE 8 Programmer II

  • Exam Code: 1z1-809
  • Exam Name: Java SE 8 Programmer II
  • Updated: Sep 18, 2026
  • Q&As: 209 Questions and Answers

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Oracle Java SE 8 Programmer I can act as a prerequisite for this 1Z0-809 exam.

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Reference: https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-809

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Oracle 1Z0-809 Exam Reference

Java 1Z0-809 Free Test is a test created to demonstrate all the features of our Java8 Professional Web Simulator. You will be able to access 25 full questions and will have 44 minutes to finish the test.

There are several components you can interact with when you take our mock exams:

  • Take a look at the progress bar at the top; it will tell how you are progressing throughout the exam.
  • if you want to take a look at the correct answers for a question, just click the “Solution” button. In the solution section you will be able to check your answers as well as find a full explanation.
  • Navigate the Java Certification Questions using the “Previous” and “Next” buttons.
  • Read the question and select only the answer(s) you think are correct by checking the corresponding check box.
  • Once the test is submitted, the result section will expand. Here, you will be able to review all the questions of the test. From here, you can also navigate directly to each question.
  • Mark the Java Certification Questions you wish to review later. All the questions you have marked will be listed in the right section “marked questions”. You will be able to jump directly to the question from this list.
  • Keep an eye on the countdown. This will tell you how much time is left. When the countdown expires, the test will be automatically submitted.

For more info visit: Oracle Java8 1Z0-809 Exam Reference

Oracle 1z1-809 Exam Syllabus Topics:

SectionObjectives
Topic 1: Java Class Design- Object-oriented principles
  • 1. Create singleton and immutable classes
  • 2. Override equals, hashCode, and toString
  • 3. Use static variables, methods, and initialization blocks
  • 4. Implement encapsulation
  • 5. Implement inheritance and polymorphism
Topic 2: Advanced Java Class Design- Advanced object-oriented features
  • 1. Use abstract classes and interfaces
  • 2. Use enum types
  • 3. Use the final keyword
  • 4. Develop Lambda expressions
  • 5. Create nested and inner classes
Topic 3: Exceptions and Assertions- Error handling
  • 1. Create custom exceptions
  • 2. Use try-catch and try-with-resources
  • 3. Use assertions
Topic 4: Java I/O Fundamentals- Input and output
  • 1. Use BufferedReader and BufferedWriter
  • 2. Read and write files
  • 3. Use serialization
Topic 5: Building Database Applications with JDBC- Database connectivity
  • 1. Execute SQL statements
  • 2. Process ResultSet data
  • 3. Use JDBC drivers and connections
Topic 6: Localization- Internationalization
  • 1. Handle localization properties
  • 2. Use Locale and ResourceBundle
  • 3. Format dates and numbers
Topic 7: Java File I/O- NIO.2 API
  • 1. Traverse directory structures
  • 2. Read file attributes
  • 3. Use Path and Files classes
Topic 8: Lambda Built-in Functional Interfaces- Functional programming
  • 1. Use Predicate, Consumer, Function, and Supplier
  • 2. Use primitive functional interfaces
  • 3. Use UnaryOperator and BinaryOperator
Topic 9: Java Stream API- Stream processing
  • 1. Collect and group stream results
  • 2. Use map, flatMap, and peek
  • 3. Use findFirst, findAny, and match methods
  • 4. Use Optional
  • 5. Sort and filter data using streams
Topic 10: Java SE 8 Date/Time API- Date and time handling
  • 1. Use LocalDate, LocalTime, and LocalDateTime
  • 2. Use Period and Duration
  • 3. Format and parse date values
Topic 11: Java Concurrency- Multithreading
  • 1. Create and manage threads
  • 2. Use concurrent collections
  • 3. Use ExecutorService
  • 4. Use synchronized blocks and locks
Topic 12: Generics and Collections- Collections framework
  • 1. Create and use generic classes
  • 2. Iterate collections with Streams and forEach
  • 3. Use Comparator and Comparable
  • 4. Use ArrayList, TreeSet, TreeMap, and ArrayDeque

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