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Oracle Java SE 8 Programmer II : 1z1-809 Exam

1z1-809 Exam Questions
  • Exam Code: 1z1-809
  • Exam Name: Java SE 8 Programmer II
  • Updated: Jul 29, 2026
  • Q & A: 209 Questions and Answers
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Oracle 1z1-809 certification exam is a valuable credential for Java developers looking to demonstrate their advanced programming skills. 1z1-809 exam validates the proficiency of developers in creating efficient and reliable Java applications using various techniques and advanced concepts. It is recommended that candidates have several years of experience in Java programming and use available study resources to prepare themselves for success on the exam.

Oracle 1z1-809: Java SE 8 Programmer II exam is a challenging certification exam that tests the skills and knowledge of experienced Java programmers. Becoming certified in Java SE 8 can open up new career opportunities and demonstrate to employers that you have the skills and knowledge needed to excel in the field of IT.

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

Oracle 1z1-809 certification exam is designed to test the Java SE 8 programming skills of candidates. 1z1-809 exam covers various Java topics that are essential for Java developers. Java SE 8 Programmer II Certification includes Java APIs for data access, concurrency, localization, Java language and more. 1z1-809 exam also verifies the knowledge of advanced Java concepts, such as JDBC, NIO.2, I/O stream, and Localization API.

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Oracle 1z1-809 Exam Syllabus Topics:

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

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