Oracle Java SE 8 Programmer II : 1z0-809

1z0-809 testking pdf
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Exam Code: 1z0-809

Exam Name: Java SE 8 Programmer II

Updated: Sep 04, 2026

Q & A: 209 Questions and Answers

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  • Oracle Certified Java Programmer Certifications provide opportunities to get a job easily in which they are interested in instead of wasting years and ending without getting any experience.
  • Oracle Certified Java Programmer will be confident and stand different from others as their skills are more trained than non-certified professionals.
  • Oracle Certified Java Programmer has the knowledge to use the tools to complete the task efficiently and cost-effectively than the other non-certified professionals lack in doing so.
  • Oracle Certified Java Programmer have more useful and relevant networks that help them in setting career goals for themselves. Oracle Certified Java Programmer networks provide them with the right career direction than non certified usually are unable to get.
  • Oracle Certified Java Programmer Certification provides practical experience to candidates from all the aspects to be a proficient worker in the organization.
  • Oracle Certified Java Programmer is distinguished among competitors. Oracle Certified Java Programmer certification can give them an edge at that time easily when candidates appear for a job interview employers seek to notify something which differentiates the individual to another.

Oracle 1z0-809 Exam Syllabus Topics:

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

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