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Last Updated: Aug 14, 2026

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1Z0-809 Exam topics

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

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.

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Oracle 1z0-809 Korean Exam Syllabus Topics:

SectionObjectives
Localization- Internationalization
  • 1. Use Locale and ResourceBundle
  • 2. Format dates and numbers
  • 3. Handle localization properties
Advanced Java Class Design- Advanced object-oriented features
  • 1. Use the final keyword
  • 2. Use abstract classes and interfaces
  • 3. Create nested and inner classes
  • 4. Develop Lambda expressions
  • 5. Use enum types
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
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
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
Java Concurrency- Multithreading
  • 1. Use concurrent collections
  • 2. Use synchronized blocks and locks
  • 3. Use ExecutorService
  • 4. Create and manage threads
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 I/O Fundamentals- Input and output
  • 1. Use serialization
  • 2. Read and write files
  • 3. Use BufferedReader and BufferedWriter
Building Database Applications with JDBC- Database connectivity
  • 1. Use JDBC drivers and connections
  • 2. Execute SQL statements
  • 3. Process ResultSet data
Java Class Design- Object-oriented principles
  • 1. Override equals, hashCode, and toString
  • 2. Implement inheritance and polymorphism
  • 3. Implement encapsulation
  • 4. Use static variables, methods, and initialization blocks
  • 5. Create singleton and immutable classes
Exceptions and Assertions- Error handling
  • 1. Use assertions
  • 2. Use try-catch and try-with-resources
  • 3. Create custom exceptions
Java File I/O- NIO.2 API
  • 1. Use Path and Files classes
  • 2. Traverse directory structures
  • 3. Read file attributes
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