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Oracle 1z0-809 certification exam covers a wide range of topics related to Java SE 8 programming, including Lambda expressions, functional interfaces, streams, exceptions, and concurrency. 1z1-809-JPN exam format consists of 90 multiple-choice questions that need to be completed in 150 minutes. The passing score for 1z1-809-JPN exam is 65%, and the exam fee is $245.

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Oracle 1z1-809 (Java SE 8 Programmer II) Exam is a certification exam designed to test the proficiency of Java programmers in the advanced concepts of Java programming language. 1z1-809-JPN exam is a part of the Oracle Certified Professional (OCP) certification program and is considered one of the most important certifications for Java developers. 1z1-809-JPN exam covers a wide range of topics, including design patterns, generics, collections, concurrency, JDBC, and much more.

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日本語 Exam Syllabus Topics:

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

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