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- Total Questions: 209
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An efficient bank adds new questions as the exam evolves and drops those that no longer matter. That is exactly how TestKingFree maintains Oracle Java SE 8 Programmer II (1z0-809 Korean Version), so your 1z0-809 Korean revision time is spent on questions that still count.
Oracle 1z0-809 Korean Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Concurrency | 12% | - Control thread lifecycle and synchronization - Use Executors, Callable, Future - Create threads: Thread class, Runnable, ExecutorService - Use java.util.concurrent components |
| Exceptions and Assertions | 8% | - Use try-with-resources - Use try-catch, multi-catch, finally - Use assertions - Create custom exceptions |
| Java Class Design | 15% | - Create singleton and immutable classes - Implement polymorphism - Implement encapsulation - Implement inheritance including visibility modifiers and composition - Override hashCode, equals, and toString methods - Use static keyword in blocks, variables, methods, classes |
| Lambda Expressions and Functional Interfaces | 15% | - Use primitive and binary variants of functional interfaces - Use method references - Create and use lambda expressions - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier |
| Advanced Java Class Design | 10% | - Use final keyword - Create inner classes: static, local, nested, anonymous - Use enumerated types - Use abstract classes and methods |
| JDBC | 5% | - Execute queries and updates - Process resultsets - Connect to database |
| Java SE 8 Date/Time API | 7% | - Use LocalDate, LocalTime, LocalDateTime, Instant - Format and parse dates/times - Work with Period, Duration, time zones |
| Java Stream API | 15% | - Filter, map, and process streams - Work with Optional class - Describe Stream interface and pipeline - Use terminal operations: collect, reduce, count |
| Java I/O and NIO.2 | 8% | - Stream operations on files - Use Path, Files, FileSystem API - Read/write with java.io API |
| Generics and Collections | 15% | - Use generic classes, interfaces, and methods - Sort and search collections - Analyze type safety and type erasure - Use Collections Framework: List, Set, Map, Queue |
| Localization | 5% | - Use Locale class - Work with resource bundles - Format numbers, dates, messages |
Your Oracle Java SE 8 Programmer II (1z0-809 Korean Version) Questions, Answered
- Java Stream API (15%)
- Concurrency (12%)
- Advanced Java Class Design (10%)
Use the weights to plan how much time each topic deserves.
Must pass 1Z0-808 (Java SE 8 Programmer I) to earn the certification
Buying the Oracle Java SE 8 Programmer II (1z0-809 Korean Version) material ahead of your exam date gives you room to study calmly and to work through several refreshed versions of the question bank as updates arrive. Early preparation turns revision into a routine instead of a last-minute rush.
1z0-809 Korean requires 65% to pass, and the official exam fee is USD $245. Knowing both numbers early helps you plan the exam date and your study target together.
The 1z0-809 Korean exam contains 68 questions with a 120 minutes-minute limit. Practicing under identical conditions on the TestKingFree engine makes time pressure feel familiar rather than frightening.
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Our professionals monitor the latest IT developments and adjust the material as soon as the exam outline shifts. New questions with verified answers are added, old and irrelevant ones are removed, and the size of the Oracle Java SE 8 Programmer II (1z0-809 Korean Version) bank is matched to actual exam conditions so your revision stays efficient.
This package includes 209 practice questions for the 1z0-809 Korean exam, sized to reflect the real test and kept current through regular review.
Oracle Java SE 8 Programmer II (1z0-809 Korean Version) Sample Questions:
주어진 코드 조각:
List<정수> 값 = Arrays.asList(1, 2, 3);
values.stream ()
.map(n -> n*2)//line n1
.peek(System.out::print)//line n2
.count();
결과는 무엇입니까?
- A. 코드가 출력을 생성하지 않습니다.
- B. n1행에서 컴파일 오류가 발생합니다.
- C. 246
- D. n2행에서 컴파일 오류가 발생합니다.
Correct Answer: C 🗳️
주어진 코드 조각:
1,2를 인쇄하기 위해 n1행에 어떤 문장을 삽입할 수 있습니까? 1,10; 2,20;?
- A. BiConsumer<Integer, Integer, String> c = (i, j) -> {System.out.print (i + "," + j+ "; ")};
- B. BiConsumer<Integer, Integer, Integer> c = (i, j) -> {System.out.print (i + "," + j+ "; ");};
- C. BiFunction<Integer, Integer, String> c = (i, j) -> {System.out.print (i + "," + j+ "; ")};
- D. BiConsumer<Integer,Integer> c = (i, j) -> {System.out.print (i + "," + j+ "; ");};
Correct Answer: C 🗳️
Explanation: Only visible for TestKingFree members. You can sign-up / login (it's free).
Fork/Join Framework에 대한 설명으로 옳은 것은? (2개를 선택하세요.)
- A. RecursiveTask 하위 클래스는 작업이 결과를 반환할 필요가 없을 때 사용됩니다.
- B. Fork/Join 프레임워크는 멀티코어 하드웨어를 활용하는 데 도움이 될 수 있습니다.
- C. 멀티코어 하드웨어에서 실행되는 Fork/Join 솔루션은 항상 표준 순차 솔루션보다 빠르게 수행됩니다.
- D. Fork/Join 프레임워크는 작업 도용 알고리즘을 구현합니다.
Correct Answer: A,D 🗳️
Explanation: Only visible for TestKingFree members. You can sign-up / login (it's free).
다음이 포함된 Greetings.properties 파일이 제공됩니다.
그리고 주어진:
결과는 무엇입니까?
- A. GOODBY_MSG
- B. 안녕하세요, 여러분!
- C. 안녕하세요_MSG
- D. 모두들 안녕!
- E. 컴파일이 실패합니다.
Correct Answer: E 🗳️
주어진:
및 코드 조각:
결과는 무엇입니까?
- A. 자바 EE자바 ME
- B. 컴파일 오류가 발생합니다.
- C. [Java EE: Helen:Houston][Java ME: Jessy:Chicago, Java ME: Mark:Chicago]
- D. [Java ME: Jessy:Chicago, Java ME: Mark:Chicago][Java EE: Helen:Houston]
Correct Answer: B 🗳️
Explanation: Only visible for TestKingFree members. You can sign-up / login (it's free).
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