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These are following steps for registering the Oracle 1Z0-809 exam. Step 1: Visit to Pearson Exam Registration Step 2: Signup/Login to Pearson VUE account Step 3: Search for Oracle 1Z0-809 Exam Certifications Exam Step 4: Select Date, time and confirm with the payment method

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 1z0-809 Korean Exam Syllabus Topics:

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

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