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Oracle 1z1-809-KR Questions & Answers - in .pdf

1z1-809-KR pdf
  • Total Q&A: 209
  • Update: Aug 30, 2026
  • Price: $69.99
Free Download PDF Demo
  • Vendor: Oracle
  • Exam Code: 1z1-809-KR
  • Exam Name: Java SE 8 Programmer II (1z0-809 Korean Version)
Features:
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Exact Oracle 1z1-809-KR Exam Questions with Correct Answers, verified by Experts with years of Experience in IT Field.

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Oracle 1z1-809-KR Q&A - Testing Engine

1z1-809-KR Study Guide
  • Total Q&A: 209
  • Update: Aug 30, 2026
  • Price: $69.99
Testing Engine
  • Vendor: Oracle
  • Exam Code: 1z1-809-KR
  • Exam Name: Java SE 8 Programmer II (1z0-809 Korean Version)
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Certification Path

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

Who should take the 1Z0-809 exam

The Oracle Java SE 8 Programmer II 1Z0-809 Exam certification is an internationally-recognized validation that identifies persons who earn it as possessing skilled as an Oracle Certified Java Programmer. If a candidate wants significant improvement in career growth needs enhanced knowledge, skills, and talents. The Oracle Java SE 8 Programmer II 1Z0-809 Exam certification provides proof of this advanced knowledge and skill. If a candidate has knowledge of associated technologies and skills that are required to pass Oracle Java SE 8 Programmer II 1Z0-809 Exam then he should take this exam.

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:

  • Take a look at the progress bar at the top; it will tell how you are progressing throughout the exam.
  • Read the question and select only the answer(s) you think are correct by checking the corresponding check box.
  • 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.
  • 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.
  • 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.
  • Navigate the Java Certification Questions using the “Previous” and “Next” buttons.

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

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 Korean Exam Overview:

Certification Vendor:Oracle
Exam Name:Java SE 8 Programmer II
Exam Number:1Z0-809
Related Certifications:Oracle Certified Professional, Java SE 8 Programmer
Exam Duration:120 minutes
Available Languages:Chinese Simplified, English
Exam Format:Multiple Choice
Certificate Validity Period:Does not expire
Exam Price:$245 USD
Real Exam Qty:68
Passing Score:65%
Sample Questions:Oracle 1z0-809 Korean 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

Oracle 1z0-809 Korean Exam Syllabus Topics:

SectionObjectives
Java SE 8 Date/Time API- Date and time handling
  • 1. Format and parse date values
  • 2. Use Period and Duration
  • 3. Use LocalDate, LocalTime, and LocalDateTime
Localization- Internationalization
  • 1. Format dates and numbers
  • 2. Handle localization properties
  • 3. Use Locale and ResourceBundle
Exceptions and Assertions- Error handling
  • 1. Create custom exceptions
  • 2. Use try-catch and try-with-resources
  • 3. Use assertions
Building Database Applications with JDBC- Database connectivity
  • 1. Use JDBC drivers and connections
  • 2. Execute SQL statements
  • 3. Process ResultSet data
Java Stream API- Stream processing
  • 1. Collect and group stream results
  • 2. Sort and filter data using streams
  • 3. Use findFirst, findAny, and match methods
  • 4. Use Optional
  • 5. Use map, flatMap, and peek
Advanced Java Class Design- Advanced object-oriented features
  • 1. Develop Lambda expressions
  • 2. Create nested and inner classes
  • 3. Use abstract classes and interfaces
  • 4. Use the final keyword
  • 5. Use enum types
Generics and Collections- Collections framework
  • 1. Use ArrayList, TreeSet, TreeMap, and ArrayDeque
  • 2. Use Comparator and Comparable
  • 3. Iterate collections with Streams and forEach
  • 4. Create and use generic classes
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 Concurrency- Multithreading
  • 1. Create and manage threads
  • 2. Use concurrent collections
  • 3. Use synchronized blocks and locks
  • 4. Use ExecutorService
Java File I/O- NIO.2 API
  • 1. Read file attributes
  • 2. Traverse directory structures
  • 3. Use Path and Files classes
Java I/O Fundamentals- Input and output
  • 1. Use BufferedReader and BufferedWriter
  • 2. Read and write files
  • 3. Use serialization
Java Class Design- Object-oriented principles
  • 1. Use static variables, methods, and initialization blocks
  • 2. Implement encapsulation
  • 3. Override equals, hashCode, and toString
  • 4. Create singleton and immutable classes
  • 5. Implement inheritance and polymorphism
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1z1-809-KR Related Exams
1z1-809-JPN - Java SE 8 Programmer II (1z0-809日本語版)
1z1-830 - Java SE 21 Developer Professional
1z0-809-KR - Java SE 8 Programmer II (1z0-809 Korean Version)
1z0-809-JPN - Java SE 8 Programmer II (1z0-809日本語版)
1z0-830 - Java SE 21 Developer Professional
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