Oracle 1z0-809日本語 : Java SE 8 Programmer II (1z0-809日本語版)

1z0-809日本語 real exams

Exam Code: 1z0-809-JPN

Exam Name: Java SE 8 Programmer II (1z0-809日本語版)

Updated: Sep 01, 2026

Q & A: 209 Questions and Answers

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About Oracle Java SE 8 Programmer II (1z0-809日本語版) : 1z0-809日本語 pdf dumps

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What is the duration of the 1Z0-809 Exam

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

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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In other words, there are a huge number of training resources available to you to help you write your final test with flying colors, become an Oracle Certified Professional Java SE 8 Programmer, and take the next step in your IT career.

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Oracle 1Z0-809 Exam Reference

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.

There are several components you can interact with when you take our mock exams:

  • Keep an eye on the countdown. This will tell you how much time is left. When the countdown expires, the test will be automatically submitted.
  • Read the question and select only the answer(s) you think are correct by checking the corresponding check box.
  • Take a look at the progress bar at the top; it will tell how you are progressing throughout the exam.
  • Navigate the Java Certification Questions using the “Previous” and “Next” buttons.
  • Mark the Java Certification Questions you wish to review later. All the questions you have marked will be listed in the right section “marked questions”. You will be able to jump directly to the question from this list.
  • Once the test is submitted, the result section will expand. Here, you will be able to review all the questions of the test. From here, you can also navigate directly to each question.
  • if you want to take a look at the correct answers for a question, just click the “Solution” button. In the solution section you will be able to check your answers as well as find a full explanation.

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

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Oracle 1z0-809日本語 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Java Class Design15%- Implement encapsulation
- Implement polymorphism
- Create singleton and immutable classes
- Use static keyword in blocks, variables, methods, classes
- Implement inheritance including visibility modifiers and composition
- Override hashCode, equals, and toString methods
Topic 2: Generics and Collections15%- Use Collections Framework: List, Set, Map, Queue
- Use generic classes, interfaces, and methods
- Sort and search collections
- Analyze type safety and type erasure
Topic 3: Java Stream API15%- Filter, map, and process streams
- Describe Stream interface and pipeline
- Work with Optional class
- Use terminal operations: collect, reduce, count
Topic 4: Concurrency12%- Use java.util.concurrent components
- Use Executors, Callable, Future
- Create threads: Thread class, Runnable, ExecutorService
- Control thread lifecycle and synchronization
Topic 5: Exceptions and Assertions8%- Use assertions
- Create custom exceptions
- Use try-catch, multi-catch, finally
- Use try-with-resources
Topic 6: Java SE 8 Date/Time API7%- Use LocalDate, LocalTime, LocalDateTime, Instant
- Work with Period, Duration, time zones
- Format and parse dates/times
Topic 7: Localization5%- Use Locale class
- Work with resource bundles
- Format numbers, dates, messages
Topic 8: Advanced Java Class Design10%- Create inner classes: static, local, nested, anonymous
- Use abstract classes and methods
- Use final keyword
- Use enumerated types
Topic 9: Java I/O and NIO.28%- Use Path, Files, FileSystem API
- Read/write with java.io API
- Stream operations on files
Topic 10: Lambda Expressions and Functional Interfaces15%- Use built-in functional interfaces: Predicate, Consumer, Function, Supplier
- Use method references
- Use primitive and binary variants of functional interfaces
- Create and use lambda expressions
Topic 11: JDBC5%- Connect to database
- Execute queries and updates
- Process resultsets

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