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Real Oracle 1z0-809 practice exam questions for easy pass!

Last Updated: Sep 13, 2026

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Given that this exam is at the professional level of certification, candidates have a large amount of work to do. Therefore, the first thing that is recommended is to thoroughly review the complete list of topics available on the official exam page, which includes:

  • NIO.2, Path Interface, and Files Class.
  • Exceptions and Assertions. In other words, how to use try-catch and throw statements, alongside creating custom exceptions and Auto-closeable resources.
  • Localization. In particular how to read and set the locale by using the Locale object, to create and read a Properties file, and to build a recourse bundle for each locale.
  • Advanced Class Design. Specifically, candidates must demonstrate skills in how to implement encapsulation, polymorphism, and inheritance.
  • Java Concurrency. The candidates must be able to create worker threads, as well as to use parallel Fork/Join Framework and parallel Streams.
  • I/O Fundamentals. It means the skill of reading and writing data from the console.
  • Generics and Collections. This allows the candidate to create and use a generic class as well as ArrayList, TreeSet, TreeMap, and ArrayDeque objects.
  • Stream API. It means the code development that uses optional class, Stream data, and calculation methods in addition to sorting a collection using Stream API.

To apply for this Oracle certification test, you should first pay $245 for a voucher. After that, go to Pearson VUE and log into your account. Enter the exam code, which should be 1Z0-809, and follow the instructions that will pop up.

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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Conclusion

Certified specialists in the field of Java development are highly valued by employers of large IT companies, so only those candidates who have proven their practical skills in using Java language by passing specialized Oracle exams can avoid serious competition and show their expertise. However, having the OCP Java SE 8 Programmer certificate will not only set you apart from other applicants but allow you to qualify for a higher salary.

So now that you see the benefits and are ready to continue on the path to Oracle certification, enroll for the Oracle 1Z0-809 exam and start preparing diligently. You have all the possibilities in your hands, it is enough to cast aside doubts and start studying hard to get ahead of the challenging job market.

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1Z0-809 Exam topics

Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our Oracle 1Z0-809 exam dumps will include the following topics:

  • Exceptions and Assertions
  • Java I/O Fundamentals
  • Use Java SE 8 Date/Time API
  • Localization
  • Java Concurrency
  • Java Class Design
  • Lambda Built-in Functional Interfaces
  • Building Database Applications with JDBC
  • Advanced Java Class Design
  • Java File I/O (NIO.2)
  • Generics and Collections
  • Java Stream API

The Oracle 1Z0-809 exam is intended for those individuals who want to get the Oracle Certified Professional, Java SE 8 Programmer certification. The potential candidates for this test are those IT specialists who have some years of experience with Java SE 8 platform and hold the Oracle Certified Associate, Java SE 8 Programmer credential.

The Oracle 1Z0-809 is a 150-minute test with 85 questions, that are mainly of a multiple-choice format, but there may also be other types, such as drag and drop, simulations, or scenario-based. This certification exam is available in the English language and the passing score for it is 65%. However, you need to try to get more than that.

Oracle 1z0-809 Exam Syllabus Topics:

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