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Oracle Java SE 8 Programmer I can act as a prerequisite for this 1Z0-809 exam.

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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1Z0-809 Exam topics

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

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Oracle 1z0-809日本語 Exam Syllabus Topics:

SectionObjectives
Topic 1: Exceptions and Assertions- Error handling
  • 1. Use assertions
  • 2. Create custom exceptions
  • 3. Use try-catch and try-with-resources
Topic 2: Java File I/O- NIO.2 API
  • 1. Read file attributes
  • 2. Use Path and Files classes
  • 3. Traverse directory structures
Topic 3: Java I/O Fundamentals- Input and output
  • 1. Use serialization
  • 2. Read and write files
  • 3. Use BufferedReader and BufferedWriter
Topic 4: Lambda Built-in Functional Interfaces- Functional programming
  • 1. Use Predicate, Consumer, Function, and Supplier
  • 2. Use primitive functional interfaces
  • 3. Use UnaryOperator and BinaryOperator
Topic 5: Generics and Collections- Collections framework
  • 1. Iterate collections with Streams and forEach
  • 2. Create and use generic classes
  • 3. Use Comparator and Comparable
  • 4. Use ArrayList, TreeSet, TreeMap, and ArrayDeque
Topic 6: Building Database Applications with JDBC- Database connectivity
  • 1. Process ResultSet data
  • 2. Use JDBC drivers and connections
  • 3. Execute SQL statements
Topic 7: Advanced Java Class Design- Advanced object-oriented features
  • 1. Use abstract classes and interfaces
  • 2. Develop Lambda expressions
  • 3. Create nested and inner classes
  • 4. Use enum types
  • 5. Use the final keyword
Topic 8: Java Stream API- Stream processing
  • 1. Use findFirst, findAny, and match methods
  • 2. Use map, flatMap, and peek
  • 3. Collect and group stream results
  • 4. Use Optional
  • 5. Sort and filter data using streams
Topic 9: Java SE 8 Date/Time API- Date and time handling
  • 1. Use LocalDate, LocalTime, and LocalDateTime
  • 2. Format and parse date values
  • 3. Use Period and Duration
Topic 10: Java Class Design- Object-oriented principles
  • 1. Implement encapsulation
  • 2. Create singleton and immutable classes
  • 3. Implement inheritance and polymorphism
  • 4. Use static variables, methods, and initialization blocks
  • 5. Override equals, hashCode, and toString
Topic 11: Localization- Internationalization
  • 1. Handle localization properties
  • 2. Format dates and numbers
  • 3. Use Locale and ResourceBundle
Topic 12: Java Concurrency- Multithreading
  • 1. Use synchronized blocks and locks
  • 2. Use ExecutorService
  • 3. Use concurrent collections
  • 4. Create and manage threads

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