Oracle 1z0-809日本語 Q&A - in .pdf

  • 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: Nov 10, 2026
  • Q & A: 209 Questions and Answers
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  • Exam Code: 1z0-809日本語
  • Exam Name: Java SE 8 Programmer II (1z0-809日本語版)
  • Updated: Nov 10, 2026
  • Q & A: 209 Questions and Answers
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What is the duration of the 1Z0-809 Exam

  • Number of Questions: 85
  • Format: Multiple choices, multiple answers
  • Length of Examination: 150 minutes
  • Passing Score: 65%

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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Java 1Z0-809 Free Test is a test created to demonstrate all the features of our Java8 Professional Web Simulator. You will be able to access 25 full questions and will have 44 minutes to finish the test.

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For more info visit: Oracle Java8 1Z0-809 Exam Reference

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Oracle 1z0-809日本語 Exam Syllabus Topics:

SectionWeightObjectives
Advanced Java Class Design10%- Create inner classes: static, local, nested, anonymous
- Use abstract classes and methods
- Use final keyword
- Use enumerated types
Java SE 8 Date/Time API7%- Use LocalDate, LocalTime, LocalDateTime, Instant
- Format and parse dates/times
- Work with Period, Duration, time zones
Concurrency12%- Create threads: Thread class, Runnable, ExecutorService
- Use Executors, Callable, Future
- Control thread lifecycle and synchronization
- Use java.util.concurrent components
Java Stream API15%- Use terminal operations: collect, reduce, count
- Describe Stream interface and pipeline
- Filter, map, and process streams
- Work with Optional class
Localization5%- Use Locale class
- Format numbers, dates, messages
- Work with resource bundles
JDBC5%- Execute queries and updates
- Connect to database
- Process resultsets
Java Class Design15%- Override hashCode, equals, and toString methods
- Use static keyword in blocks, variables, methods, classes
- Implement inheritance including visibility modifiers and composition
- Implement polymorphism
- Implement encapsulation
- Create singleton and immutable classes
Generics and Collections15%- Analyze type safety and type erasure
- Use Collections Framework: List, Set, Map, Queue
- Use generic classes, interfaces, and methods
- Sort and search collections
Lambda Expressions and Functional Interfaces15%- Create and use lambda expressions
- Use method references
- Use built-in functional interfaces: Predicate, Consumer, Function, Supplier
- Use primitive and binary variants of functional interfaces
Java I/O and NIO.28%- Stream operations on files
- Read/write with java.io API
- Use Path, Files, FileSystem API
Exceptions and Assertions8%- Use assertions
- Use try-with-resources
- Use try-catch, multi-catch, finally
- Create custom exceptions

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