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  • 1z0-809日本語 pdf
  • Exam Code: 1z0-809日本語
  • Exam Name: Java SE 8 Programmer II (1z0-809日本語版)
  • Updated: Aug 08, 2026
  • Q & A: 209 Questions and Answers
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  • Oracle Certified Java Programmer will be confident and stand different from others as their skills are more trained than non-certified professionals.
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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 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 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 Certification provides practical experience to candidates from all the aspects to be a proficient worker in the organization.

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