• Exam Code: 1z0-809
  • Exam Name: Java SE 8 Programmer II (1z0-809 Korean Version)
  • Certification Provider: Oracle
  • Corresponding Certification:Java SE
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1z0-809 Korean
  • Exam Code: 1z0-809
  • Exam Name: Java SE 8 Programmer II (1z0-809 Korean Version)
  • Updated: Jul 22, 2026
  • No. of Questions: 209 Questions and Answers
  • Download Limit: Unlimited

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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.

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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 Java SE 8 Programmer II 1Z0-809 Exam

Oracle Java SE 8 Programmer II 1Z0-809 Exam is related to Oracle Java SE and credits toward Oracle Certified Professional and Java SE 8 Programmer Certification. This exam is part second of the Java SE 8 Programmer. This exam validates the ability to develop code that uses the static keyword on blocks, variables, methods and chases, implements and intends interfaces and use the at override annotation, search for data by using search methods of the stream classes, save results to a collection. It also validates the ability to create and manage date-based and time-based events including a combination of date and time int a single object. Java EE Developers, Web Developers and Java Developers usually hold or pursue this certification and you can expect the same job role after completion of this certification.

Oracle 1z0-809 Korean Exam Syllabus Topics:

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

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