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Certification blueprints change, and Exams4sures keeps pace: every 1z0-809 Korean purchase includes 365 days of free updates, so your 209 practice questions stay aligned with the current Oracle Java SE 8 Programmer II (1z0-809 Korean Version) in 2026 and beyond.
Oracle 1z0-809 Korean Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 8 Programmer II |
| Exam Number: | 1Z0-809 |
| Exam Price: | USD $245 |
| Related Certifications: | Oracle Certified Associate, Java SE 8 Programmer |
| Exam Format: | Multiple Select, Multiple Choice |
| Passing Score: | 65% |
| Available Languages: | Simplified Chinese, English, Japanese |
| Certificate Validity Period: | Does not expire |
| Real Exam Qty: | 68 |
| Exam Duration: | 120 minutes |
| Recommended Training: | Java SE 8 Programming II Java SE 8 Programmer II Exam Preparation Seminar |
| Exam Registration: | Oracle University Exam Purchase Pearson VUE Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | Must pass 1Z0-808 (Java SE 8 Programmer I) to earn the certification |
| Official Syllabus URL: | https://education.oracle.com/java-se-8-programmer-ii/pexam_1Z0-809 |
Oracle 1z0-809 Korean Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Java Stream API | 15% | - Use terminal operations: collect, reduce, count - Work with Optional class - Describe Stream interface and pipeline - Filter, map, and process streams |
| Java Class Design | 15% | - Implement encapsulation - Implement inheritance including visibility modifiers and composition - Create singleton and immutable classes - Use static keyword in blocks, variables, methods, classes - Override hashCode, equals, and toString methods - Implement polymorphism |
| Java I/O and NIO.2 | 8% | - Use Path, Files, FileSystem API - Stream operations on files - Read/write with java.io API |
| Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Work with Period, Duration, time zones - Use LocalDate, LocalTime, LocalDateTime, Instant |
| Localization | 5% | - Use Locale class - Work with resource bundles - Format numbers, dates, messages |
| Concurrency | 12% | - Create threads: Thread class, Runnable, ExecutorService - Control thread lifecycle and synchronization - Use java.util.concurrent components - Use Executors, Callable, Future |
| Exceptions and Assertions | 8% | - Use try-with-resources - Use try-catch, multi-catch, finally - Create custom exceptions - Use assertions |
| JDBC | 5% | - Execute queries and updates - Connect to database - Process resultsets |
| Generics and Collections | 15% | - Analyze type safety and type erasure - Use generic classes, interfaces, and methods - Sort and search collections - Use Collections Framework: List, Set, Map, Queue |
| Lambda Expressions and Functional Interfaces | 15% | - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use primitive and binary variants of functional interfaces - Use method references - Create and use lambda expressions |
| Advanced Java Class Design | 10% | - Use final keyword - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods - Use enumerated types |
1z0-809 Korean Exam FAQ: Prep, Registration, and Policies Explained
Yes. Exams4sures offers a free PDF demo of the 1z0-809 Korean practice questions so you can check the quality, the format, and the difficulty level before you spend anything. After you purchase, you also receive 365 days of free updates, and if the product expires you can extend the update service at a 50% discount from your member zone.
The 1z0-809 Korean exam contains 68 questions and gives you 120 minutes to complete them. That works out to a brisk pace, so you cannot afford to stall on a single tricky item — flag it, move on, and circle back if time allows. Before exam day, run at least two timed mock sessions with the Exams4sures desktop or online test engine; practicing against a real clock turns the official time limit into a comfortable rhythm instead of a source of panic.
The 1z0-809 Korean exam (full name: Java SE 8 Programmer II (1z0-809 Korean Version)) is a Oracle certification exam that leads to the Oracle Certified Professional, Java SE 8 Programmer credential, positioned at the Professional level. It validates the skills Oracle expects from professionals working with its technologies, and passing it is the key step toward getting certified. It also sits within a broader certification path that includes Oracle Certified Associate, Java SE 8 Programmer.
The Oracle Java SE 8 Programmer II (1z0-809 Korean Version) exam is organized into 11 domains. The main areas include Exceptions and Assertions (8%), Advanced Java Class Design (10%), and Lambda Expressions and Functional Interfaces (15%). Scroll up to the exam syllabus section on this page for the complete topic-by-topic outline.
Must pass 1Z0-808 (Java SE 8 Programmer I) to earn the certification
Eligibility requirements can change, so before you register, confirm the latest criteria on the official Oracle exam page.
To pass the 1z0-809 Korean exam you need a score of 65%, and the official registration fee is USD $245. Keep in mind that a failed attempt comes at full price: retaking the exam means paying the entire fee again. A smart way to protect that investment is to self-test first — work through the 209 practice questions at Exams4sures until your timed scores sit comfortably above the passing line before you book a seat.
Oracle recommends the following training resources for the Oracle Java SE 8 Programmer II (1z0-809 Korean Version):
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You can register for the Oracle Java SE 8 Programmer II (1z0-809 Korean Version) through the official channels below:
The 1z0-809 Korean exam is delivered Online proctored or onsite at Pearson VUE test centers, so choose the option that best fits your schedule when you book.
Oracle Java SE 8 Programmer II (1z0-809 Korean Version) Sample Questions:
다음 코드 조각을 참고하세요.
List<String> empDetails = Arrays.asList("100, Robin, HR",
"200, 메리, 관리 서비스",
"101, 피터, 인사부");
empDetails.stream()
.filter(s-> s.contains("1"))
.정렬()
.forEach(System.out::println); //줄 n1
결과는 어떻게 되나요?
- A. 100, 로빈, HR101, 피터, HR
- B. E. n1 줄에서 컴파일 오류가 발생합니다.
- C. 100, 로빈, HR200, 메리, AdminServices101, 피터, HR
- D. 100, 로빈, HR101, 피터, HR200, 메리, 관리 서비스
Correct Answer: A 🗳️
주어진:
공개 최종 수업 IceCream {
공개 무효 준비() {}
}
공개 수업 케이크 {
공개 최종 무효 베이크(int min, int temp) {}
공개 무효 믹스() {}
}
공개 클래스 Shop {
개인 케이크 c = 새로운 케이크();
개인 최종 이중 할인 = 0.25;
공개 무효 makeReady() { c.bake(10, 120); }
}
공개 클래스 빵 확장 케이크 {
공개 무효 굽기(int 분, int 온도) {}
공개 무효 addToppings() {}
}
어떤 말이 진실이야?
- A. Cake에서 컴파일 오류가 발생합니다.
- B. IceCream에서 컴파일 오류가 발생합니다.
- C. 모든 클래스가 성공적으로 컴파일됩니다.
- D. Bread에서 컴파일 오류 발생
- E. Shop에서 컴파일 오류가 발생합니다.
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. Employee 테이블이 112 Jack 행으로 업데이트되고 프로그램은 112 Jerry를 인쇄합니다.
- B. 프로그램에서 예외가 발생했습니다를 인쇄합니다.
- C. Employee 테이블이 업데이트되지 않고 프로그램이 112 Jerry를 인쇄합니다.
- D. Employee 테이블이 112 Jack 행으로 업데이트되고 프로그램은 112 Jack을 인쇄합니다.
Correct Answer: C 🗳️
주어진 코드 조각:
class TechName {
String techName;
TechName (String techName) {
this.techName=techName;
}
}
and
List<TechName> tech = Arrays.asList (
new TechName("Java-"),
new TechName("Oracle DB-"),
new TechName("J2EE-")
);
스트림<기술명> str = tech.stream();
//라인 n1
Java-Oracle DB-J2EE-를 인쇄하려면 n1행에 무엇을 삽입해야 합니까?
- A. strre.map(a-> a.techName).forEach(System.out::print);
- B. str.forEachOrdered(System.out::print);
- C. stre.map(a-> a).forEachOrdered(System.out::print);
- D. str.forEach(System.out::print);
Correct Answer: A 🗳️
주어진:
메시지.속성:
메시지 = 환영합니다!
메시지_fr_FR.속성:
메시지 = 환영합니다!
다음 코드 조각을 참고하세요.
// n1번째 줄
로케일.setDefault(로케일);
ResourceBundle 번들 = ResourceBundle.getBundle("메시지");
System.out.print(bundle.getString("msg"));
n1 줄에 독립적으로 삽입하면 Bienvenue!를 출력할 수 있는 두 코드 조각은 무엇입니까?
- A. 로케일 로케일 = Locale.FRANCE;
- B. 로케일 로케일 = 새 로케일("fr-FR");
- C. 로케일 locale = Locale.forLanguageTag("fr");
- D. 로케일 로케일 = 새 로케일("fr", "FR");
- E. 로케일 로케일 = 새 로케일("프랑스", "프랑스어");
Correct Answer: A,D 🗳️
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