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From a free demo to 365 days of free updates and a 60-day money-back guarantee if you fail the corresponding exam, 2Pass4sure covers the whole 1z0-809 Korean preparation journey. For most candidates in 2026, the Oracle Java SE 8 Programmer II (1z0-809 Korean Version) package with 209 practice questions is the only stop they need.

Oracle 1z0-809 Korean Exam Overview:

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

Oracle 1z0-809 Korean Exam FAQ — What Candidates Ask Most

The 1z0-809 Korean exam is the official Oracle exam for Oracle Java SE 8 Programmer II (1z0-809 Korean Version). Passing it earns you the Java SE credential, which sits at the Professional level. It is also connected to Oracle Certified Professional, Java SE 8 Programmer, so what you learn carries over if you plan to pursue those paths as well. Employers treat the certification as verified proof of skill, which is why structured preparation with 2Pass4sure's practice questions pays off.

The 1z0-809 Korean exam contains 68 questions, and the time limit is 120 minutes. Translate that into a pacing plan before exam day: know roughly how long you can afford per item, flag anything that stalls you, and circle back at the end instead of burning minutes. Two or three full timed sessions in 2Pass4sure's test engine will teach you that rhythm far better than untimed reading ever will.

The passing score for the 1z0-809 Korean exam is 65%, and the official registration fee is $245 USD. Remember that a failed attempt means paying that fee again in full for a retake, so treat self-assessment as part of the budget: run 2Pass4sure's practice questions under timed conditions and only book your seat once your scores sit comfortably above the passing bar.

Candidates must first pass Oracle Certified Associate Java SE 8 Programmer (1Z0-808). Eligibility details can change, so before you register, confirm the current requirements on the official exam page: https://education.oracle.com/java-se-8-programmer-ii/pexam_1Z0-809.

Yes. 2Pass4sure offers a free PDF demo of the Oracle Java SE 8 Programmer II (1z0-809 Korean Version) practice questions on the samples page, so you can judge the format and quality yourself before paying anything. Every purchase also includes 365 days of free updates, and after the product expires you can extend the update service at a 50% discount from within your member zone.

If you take the corresponding exam within 60 days of purchase and do not pass, 2Pass4sure backs you with a 100% money-back guarantee. To claim it, submit a scanned copy of your exam enrollment slip together with your official Score Report PDF within 2 days of the exam, and the refund is processed within 7 days. The guarantee does not apply to attempts made within the first 3 days after purchase, to products downloaded without actually sitting the exam, or to free materials and expired orders, and the candidate name must match the payer's name. If you would rather have study material than money, you can instead exchange for two additional exam products of equal value, free of charge, while keeping the update service on your original purchase. Delivery itself is instant: your download is available right after payment and a copy reaches your mailbox within one minute — if nothing arrives within 2 hours, contact customer service. You may install the product on as many computers as you need.

The official Oracle Java SE 8 Programmer II (1z0-809 Korean Version) blueprint is organized into 12 domains. The leading areas are:

  • Java I/O Fundamentals
  • Exceptions and Assertions
  • Java SE 8 Date/Time API

For the complete domain-by-domain breakdown with every subtopic, see the Exam Topics outline above.

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

Question 1

주어진:

어떤 옵션이 실패합니까?

A. Foo<String, Integer> mark = new Foo<Object, Object>("Steve", 100);
B. Foo<String, String> pair = Foo.<String>twice("Hello World!");
C. Foo<Object, Object> 백분율 = new Foo<Object, Object>("Steve", 100);
D. Foo<String, String> grade = new Foo <> ("John", "A");


Question 2

Player 테이블에서 주어진 레코드:

코드 조각이 주어지면 :
노력하다 {
연결 conn = DriverManager.getConnection(URL, 사용자 이름, 암호); 문 st= conn.createStatement( ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE); st.execute("플레이어에서 * 선택"); st.setMaxRows(2); 결과 집합 rs = st.getResultSet(); rs.absolute(3); 동안 (rs.next()) { System.out.println(rs.getInt(1) + " " + rs.getString(2));
}
} catch(SQLException 예) {
System.out.print("SQLException이 발생했습니다.");
}
다음과 같이 가정합니다.
필수 데이터베이스 드라이버는 클래스 경로에 구성됩니다.
URL, 사용자 이름 및 암호를 사용하여 해당 데이터베이스에 액세스할 수 있습니다.
SQL 쿼리가 유효합니다.
결과는 무엇입니까?

A. 2 Jack3 Sam
B. 프로그램이 아무 것도 인쇄하지 않습니다.
C. 삼삼
D. SQLException이 발생합니다.


Question 3

data.txt 및 alldata.txt에 액세스할 수 있고 코드 조각은 다음과 같습니다.

코드가 alldata.txt를 data.txt로 덮어쓰도록 하려면 n1행에서 무엇이 필요합니까?

A. br.flush();
B. bw.writeln();
C. bw.flush();
D. br.close();


Question 4


결과는 무엇입니까?

A. 7행에서 컴파일 오류가 발생합니다.
B. 100
C. 15행에서 ​​컴파일 오류가 발생합니다.
D. 8행에서 컴파일 오류가 발생합니다.


Question 5

주어진 코드 조각:

및 정보:
* 필수 데이터베이스 드라이버는 클래스 경로에 구성되어 있습니다.
* 해당 데이터베이스는 dbURL, 사용자 이름 및 암호가 존재하여 액세스할 수 있습니다.
결과는 무엇입니까?

A. 런타임에 SQLException이 발생합니다.
B. 프로그램이 아무 것도 인쇄하지 않습니다.
C. 런타임에 ClassNotFoundException이 발생합니다.
D. 프로그램이 연결 설정됨을 인쇄합니다.


Solutions:

Question 1
Answer: C
Question 2
Answer: D
Question 3
Answer: C
Question 4
Answer: A
Question 5
Answer: D

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