Prepare with Oracle 1z0-809日本語 exam practice material, pass for sure

Updated: Sep 17, 2026

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Oracle 1z0-809日本語 Exam Overview:

Certification Vendor:Oracle
Exam Name:Java SE 8 Programmer II
Exam Number:1Z0-809
Exam Format:Multiple Choice
Passing Score:65%
Certificate Validity Period:Does not expire
Exam Duration:120 minutes
Related Certifications:Oracle Certified Professional, Java SE 8 Programmer
Exam Price:$245 USD
Real Exam Qty:68
Available Languages:English, Chinese Simplified
Sample Questions:Oracle 1z0-809日本語 Sample Questions
Exam Way:Online proctored exam or test center delivery
Pre Condition:Candidates must first pass Oracle Certified Associate Java SE 8 Programmer (1Z0-808).
Official Syllabus URL:https://education.oracle.com/java-se-8-programmer-ii/pexam_1Z0-809

1Z0-809 Exam topics

Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our Oracle 1Z0-809 exam dumps will include the following topics:

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

For more info visit:

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:

  • Read the question and select only the answer(s) you think are correct by checking the corresponding check box.
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  • 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.
  • 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.
  • 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.
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For more info visit: Oracle Java8 1Z0-809 Exam Reference

The benefit in Obtaining the 1Z0-809 Exam Certification

  • Oracle Certified Java Programmer will be confident and stand different from others as their skills are more trained than non-certified professionals.
  • 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 have more useful and relevant networks that help them in setting career goals for themselves. Oracle Certified Java Programmer networks provide them with the right career direction than non certified usually are unable to get.
  • Oracle Certified Java Programmer Certification provides practical experience to candidates from all the aspects to be a proficient worker in the organization.
  • 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.

Reference: https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-809

Oracle 1z0-809日本語 Exam Syllabus Topics:

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

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