Oracle 1z0-809日本語 dumps - 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: Aug 10, 2026
  • Q & A: 209 Questions and Answers
  • PDF Price: $69.99
  • Free Demo

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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: Aug 10, 2026
  • Q & A: 209 Questions and Answers
  • PDF Version + PC Test Engine + Online Test Engine
  • Value Pack Total: $139.98  $89.99
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Oracle 1z0-809日本語 dumps - Testing Engine

1z0-809日本語 Testing Engine
  • Exam Code: 1z0-809日本語
  • Exam Name: Java SE 8 Programmer II (1z0-809日本語版)
  • Updated: Aug 10, 2026
  • Q & A: 209 Questions and Answers
  • Software Price: $69.99
  • Testing Engine

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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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1z0-809日本語 exam dumps

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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:

  • 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.
  • 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.
  • 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.
  • 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.
  • 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

Oracle 1z0-809日本語 Exam Syllabus Topics:

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

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