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  • Total Questions: 209
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Self-paced does not mean unsupported at Lead2Passed — the Oracle Java SE 8 Programmer II (1z0-809 Korean Version) bank comes with a practice engine you can tune to your own rhythm, verified answers throughout, and a support team behind every 1z0-809 Korean order.

Oracle 1z0-809 Korean Exam Overview:

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

Preparing for 1z0-809 Korean on a Busy Schedule

A pass requires 65%, and registration costs $245 USD. Every retake bills that fee again, which is why candidates prepare thoroughly with verified Lead2Passed material before booking their seat.
That is exactly what it is designed for. The 1z0-809 Korean engine lets you set the test time yourself — allow a generous limit on your first simulated run, then shorten it session by session as your speed grows. Every attempt ends with a score, so you can measure your own readiness, see which Oracle Java SE 8 Programmer II (1z0-809 Korean Version) domains need work, and plan the next round of study based on your actual strengths and weaknesses. You may also review any or all questions and answers as often as you like.
Because it removes the usual obstacles. The material is solid — 209 practice questions for the 1z0-809 Korean exam with verified answers, checked daily against the live Oracle Java SE 8 Programmer II (1z0-809 Korean Version) outline. The engine adapts to your pace instead of forcing one. Installation is unlimited across your computers. And support answers around the clock, so a busy schedule never strands you with an unanswered question.
Around 68 questions in 120 minutes minutes. Set the Lead2Passed engine to that exact limit once your scores stabilize, and exam day will feel like one more well-rehearsed session.
Candidates must first pass Oracle Certified Associate Java SE 8 Programmer (1Z0-808).
Most Lead2Passed customers are in the same position: a full-time job, family commitments, a social life worth keeping. Self-paced study solves it. Install the 1z0-809 Korean engine on every computer you use, run a short timed drill when a gap appears, review a handful of Oracle Java SE 8 Programmer II (1z0-809 Korean Version) questions before bed, and let the per-session scores track your progress. Consistency in small doses beats marathon cramming, and the material is built for exactly that rhythm.
Follow the official Oracle Java SE 8 Programmer II (1z0-809 Korean Version) weights:
  • Generics and Collections ()
  • Java Concurrency ()
  • Java File I/O ()
Give the heaviest domains your longest sessions, then let your engine scores tell you where the remaining hours belong.

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

주어진 코드 조각:

결과는 무엇입니까?

  • A. 단어: 왜 단어: 왜 무엇을 단어: 왜 무엇을 언제
  • B. 단어: 왜 단어: 무엇 단어: 언제
  • C. n1행에서 컴파일이 실패합니다.
  • D. 단어: 왜 무엇을 언제
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

주어진:
class Student {
String course, name, city;
public Student (String name, String course, String city) {
this.course = course; this.name = name; this.city = city;
}
public String toString() {
return course + ":" + name + ":" + city;
}
and the code fragment:
List<Student> stds = Arrays.asList(
new Student ("Jessy", "Java ME", "Chicago"),
new Student ("Helen", "Java EE", "Houston"),
new Student ("Mark", "Java ME", "Chicago"));
stds.stream()
.collect(Collectors.groupingBy(Student::getCourse))
.forEach(src, res) -> System.out.println(scr));
결과는 무엇입니까?

  • A. 컴파일 오류가 발생합니다.
  • B. [Java EE: Helen:Houston][Java ME: Jessy:Chicago, Java ME: Mark:Chicago]
  • C. [Java ME: Jessy:Chicago, Java ME: Mark:Chicago][Java EE: Helen:Houston]
  • D. Java EEJava ME
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

/resourses/Message.properties의 내용을 고려해 보면:
welcome1="좋은 하루 보내세요!"
그리고 다음 코드 조각이 주어졌습니다:
속성 prop = new Properties ();
FileInputStream fis = new FileInputStream ("/resources/Message.properties"); prop.load(fis); System.out.println(prop.getProperty("welcome1")); System.out.println(prop.getProperty("welcome2", "Test"));//line n1 System.out.println(prop.getProperty("welcome3")); 결과는 무엇입니까?

  • A. 안녕하세요! 다음에 예외 스택 추적이 표시됩니다.
  • B. 안녕하세요!테스트 후 예외 스택 추적이 이어집니다.
  • C. n1 줄에서 컴파일 오류가 발생했습니다.
  • D. 안녕하세요!Testnull
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Employee 테이블의 레코드가 주어지면:

코드 조각이 주어지면 :
try {
Connection conn = DriverManager.getConnection (URL, userName, passWord); Statement st = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE); st.execute("SELECT*FROM Employee"); ResultSet rs = st.getResultSet(); while (rs.next()) { if (rs.getInt(1) ==112) { rs.updateString(2, "Jack");
}
}
rs.absolute(2);
System.out.println(rs.getInt(1) + " " + rs.getString(2));
} catch (SQLException ex) {
System.out.println("Exception is raised");
}
다음과 같이 가정합니다.
필수 데이터베이스 드라이버는 클래스 경로에 구성됩니다.
URL, userName 및 passWord로 액세스할 수 있는 적절한 데이터베이스가 있습니다.
결과는 무엇입니까?

  • A. 프로그램에서 예외가 발생했습니다를 인쇄합니다.
  • B. Employee 테이블이 업데이트되지 않고 프로그램이 112 Jerry를 인쇄합니다.
  • C. Employee 테이블이 112 Jack 행으로 업데이트되고 프로그램은 112 Jerry를 인쇄합니다.
  • D. Employee 테이블이 112 Jack 행으로 업데이트되고 프로그램은 112 Jack을 인쇄합니다.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

주어진:
항목 테이블
* 아이디, 정수: PK
* 설명, VARCHAR(100)
* 가격, 실제
* 수량< 정수
그리고 주어진 코드 조각:
9. try {
10.Connection conn = DriveManager.getConnection(dbURL, username, password);
11. String query = "Select * FROM Item WHERE ID = 110";
12. Statement stmt = conn.createStatement();
13. ResultSet rs = stmt.executeQuery(query);
14.while(rs.next()) {
15.System.out.println("ID:" + rs.getInt("Id"));
16.System.out.println("Description:" + rs.getString("Descrip"));
17.System.out.println("Price:" + rs.getDouble("Price"));
18. System.out.println(Quantity:" + rs.getInt("Quantity"));
19.}
20. } catch (SQLException se) {
21. System.out.println("Error");
22. }
다음과 같이 가정합니다.
필수 데이터베이스 드라이버는 클래스 경로에 구성됩니다.
dbURL, userName 및 passWord가 있는 적절한 데이터베이스에 액세스할 수 있습니다.
SQL 쿼리가 유효합니다.
결과는 무엇입니까?

  • A. 코드는 항목 110에 대한 정보를 인쇄합니다.
  • B. 런타임에 예외가 발생합니다.
  • C. 코드는 오류를 인쇄합니다.
  • D. 컴파일에 실패했습니다.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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