Oracle Java SE 8 Programmer II (1z0-809 Korean Version) - 1z0-809 Korean

Oracle 1z0-809 Korean test insides dumps
  • Exam Code: 1z0-809-KR
  • Exam Name: Java SE 8 Programmer II (1z0-809 Korean Version)
  • Updated: Sep 17, 2026
  • Q & A: 209 Questions and Answers
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About Oracle Java SE 8 Programmer II (1z0-809 Korean Version) : 1z0-809 Korean exam dumps

Questions during purchase? Our online service staff respond as soon as possible. The Oracle Java SE 8 Programmer II (1z0-809 Korean Version) material at VerifiedDumps — 209 practice questions for the 1z0-809 Korean exam — comes with real human help in 2026.

Oracle 1z0-809 Korean Exam Overview:

Certification Vendor:Oracle
Exam Name:Java SE 8 Programmer II
Exam Number:1Z0-809
Passing Score:65%
Available Languages:English, Chinese Simplified
Certificate Validity Period:Does not expire
Related Certifications:Oracle Certified Professional, Java SE 8 Programmer
Exam Price:$245 USD
Exam Format:Multiple Choice
Real Exam Qty:68
Exam Duration:120 minutes
Sample Questions:Free Download Pass 1z0-809 Korean Exam Cram
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
Topic 1: Lambda Built-in Functional Interfaces- Functional programming
  • 1. Use primitive functional interfaces
  • 2. Use Predicate, Consumer, Function, and Supplier
  • 3. Use UnaryOperator and BinaryOperator
Topic 2: Java Class Design- Object-oriented principles
  • 1. Implement encapsulation
  • 2. Implement inheritance and polymorphism
  • 3. Create singleton and immutable classes
  • 4. Override equals, hashCode, and toString
  • 5. Use static variables, methods, and initialization blocks
Topic 3: Java Stream API- Stream processing
  • 1. Sort and filter data using streams
  • 2. Use Optional
  • 3. Collect and group stream results
  • 4. Use map, flatMap, and peek
  • 5. Use findFirst, findAny, and match methods
Topic 4: Java I/O Fundamentals- Input and output
  • 1. Use BufferedReader and BufferedWriter
  • 2. Use serialization
  • 3. Read and write files
Topic 5: Localization- Internationalization
  • 1. Format dates and numbers
  • 2. Use Locale and ResourceBundle
  • 3. Handle localization properties
Topic 6: Java Concurrency- Multithreading
  • 1. Use synchronized blocks and locks
  • 2. Use concurrent collections
  • 3. Use ExecutorService
  • 4. Create and manage threads
Topic 7: Advanced Java Class Design- Advanced object-oriented features
  • 1. Use the final keyword
  • 2. Create nested and inner classes
  • 3. Use enum types
  • 4. Use abstract classes and interfaces
  • 5. Develop Lambda expressions
Topic 8: Java File I/O- NIO.2 API
  • 1. Traverse directory structures
  • 2. Read file attributes
  • 3. Use Path and Files classes
Topic 9: Generics and Collections- Collections framework
  • 1. Use Comparator and Comparable
  • 2. Use ArrayList, TreeSet, TreeMap, and ArrayDeque
  • 3. Iterate collections with Streams and forEach
  • 4. Create and use generic classes
Topic 10: Exceptions and Assertions- Error handling
  • 1. Use try-catch and try-with-resources
  • 2. Create custom exceptions
  • 3. Use assertions
Topic 11: Building Database Applications with JDBC- Database connectivity
  • 1. Process ResultSet data
  • 2. Execute SQL statements
  • 3. Use JDBC drivers and connections
Topic 12: Java SE 8 Date/Time API- Date and time handling
  • 1. Use LocalDate, LocalTime, and LocalDateTime
  • 2. Format and parse date values
  • 3. Use Period and Duration

Oracle Java SE 8 Programmer II (1z0-809 Korean Version) Exam FAQ — Trustworthy Answers

What if I fail, and when do I receive my files?

Upon successful payment, our system emails the Oracle Java SE 8 Programmer II (1z0-809 Korean Version) material automatically within about a minute, with 24/7 help if nothing arrives within 2 hours. If you fail the corresponding 1z0-809 Korean exam within 60 days of purchase, we refund the full amount: send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam, processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Or exchange for two equal-value products free.

Are there prerequisites for the 1z0-809 Korean exam?

Candidates must first pass Oracle Certified Associate Java SE 8 Programmer (1Z0-808). Eligibility rules change over time, so verify the current requirements on the official page (official 1z0-809 Korean exam page) before registering.

What is the 1z0-809 Korean exam, and why do employers care?

The Oracle Java SE 8 Programmer II (1z0-809 Korean Version) is Oracle's certification exam for Java SE, at the Professional level. Employers read it as a measure of individual ability in routine technical work. Related credentials include Oracle Certified Professional, Java SE 8 Programmer.

How much is the 1z0-809 Korean exam fee, and what score do I need to pass?

$245 USD per attempt, 65% to pass. Retakes cost the full fee — save time and money by preparing with the 209 practice questions for the 1z0-809 Korean exam at VerifiedDumps.

How long is the 1z0-809 Korean exam, and how many questions does it include?

120 minutes for 68 questions. Practice anytime anywhere with the VerifiedDumps APP — steady daily sessions build the pacing you need.

Can I try the Oracle Java SE 8 Programmer II (1z0-809 Korean Version) material free first?

Yes — we provide the free PDF demo of the Oracle Java SE 8 Programmer II (1z0-809 Korean Version) dumps so you can look at the content and gain a further understanding before paying. Purchases include 365 days of free updates by email; renew afterward at 50% off.

What topics are tested in the 1z0-809 Korean exam?

The Oracle Java SE 8 Programmer II (1z0-809 Korean Version) blueprint spans 12 domains — including Java Concurrency, Building Database Applications with JDBC, Java I/O Fundamentals. Our material stays closely linked to these knowledge points; the complete outline above lists every subtopic.

Oracle Java SE 8 Programmer II (1z0-809 Korean Version) Sample Questions:

Question #1

주어진:
1. abstract class Shape {
2. Shape ( ) { System.out.println ("Shape"); }
3. protected void area ( ) { System.out.println ("Shape"); }
4. }
5.
6. class Square extends Shape {
7. int side;
8. Square int side {
9./* insert code here */
10. this.side = side;
11. }
12. public void area ( ) { System.out.println ("Square"); }
13. }
14. class Rectangle extends Square {
15. int len, br;
16. Rectangle (int x, int y) {
17. /* insert code here */
18. len = x, br = y;
19. }
20. void area ( ) { System.out.println ("Rectangle"); }
21. }
코드를 컴파일할 수 있는 두 가지 수정 사항은 무엇입니까? (2개를 선택하세요.)

  • A. 12행에서 public을 제거합니다.
  • B. 1행에서 초록 제거
  • C. 17행에 super(x)를 삽입합니다.
  • D. 9행에 super( )를 삽입합니다.
  • E. 17행에 super()를 삽입합니다. 슈퍼사이드 = x;
  • F. 20행에서 공용 공백 영역( ) { 사용
Reveal Solution  Discussion  0

Correct Answer: C,F  🗳️

Question #2

동기화와 잠금에 대한 설명으로 옳지 않은 것은? (2개를 선택하세요.)

  • A. 스레드는 잠금을 획득한 시간과 잠금을 해제하는 시간 사이에 개체의 고유 잠금을 독점적으로 소유합니다.
  • B. 스레드는 실행될 때 동기화된 명령문에 대한 고유 잠금을 자동으로 획득합니다.
  • C. 스레드는 클래스에 대한 고유 잠금을 획득할 수 없습니다.
  • D. 동기화된 메서드에서 반환이 포착되지 않은 예외로 인해 발생한 경우 스레드가 고유 잠금을 유지합니다.
  • E. 스레드는 동기화된 메서드를 입력할 때 동기화된 메서드의 개체에 대한 고유 잠금을 자동으로 획득합니다.
Reveal Solution  Discussion  0

Correct Answer: B,D  🗳️

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Question #3

2015년에는 미국 뉴욕의 일광 절약 시간제가 3월 8일 오전 2시에 시작됩니다. 결과적으로 오전 2시가 오전 3시가 됩니다.
주어진 코드 조각:

결과는 무엇입니까?

  • A. 4:00 - 차이: 3
  • B. 4:00 - 차이: 2
  • C. 3:00~차이: 2
  • D. 2:00 - 차이: 1
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #4

주어진:

그리고 코드 조각:

ColorSorter 클래스의 어떤 정의가 블록 목록을 정렬합니까?

  • A.
  • B.
  • C.
  • D.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #5

주어진 코드 조각:
List<String> codes = Arrays.asList ("DOC", "MPEG", "JPEG");
codes.forEach (c -> System.out.print(c + " "));
String fmt = codes.stream()
.filter (s-> s.contains ("PEG"))
.reduce((s, t) -> s + t).get();
System.out.println("\n" + fmt);
결과는 무엇입니까?

  • A. MPEGJPEGMPEGJPEG
  • B. DOC MPEG MPEGJPEGMPEGMPEGJPEG
  • C. 출력 순서를 예측할 수 없습니다.
  • D. DOC MPEG JPEGMPEGJPEG
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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