Oracle Java SE 8 Programmer II (1z0-809日本語版) : 1z0-809日本語

Exam Code: 1z0-809-JPN
Exam Name: Java SE 8 Programmer II (1z0-809日本語版)
Updated: Oct 12, 2026
Q & A: 209 Questions and Answers

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Oracle 1z0-809日本語 Exam Syllabus Topics:

Section	Objectives
Lambda Built-in Functional Interfaces	- Functional programming 1. Use primitive functional interfaces 2. Use UnaryOperator and BinaryOperator 3. Use Predicate, Consumer, Function, and Supplier
Generics and Collections	- Collections framework 1. Iterate collections with Streams and forEach 2. Use ArrayList, TreeSet, TreeMap, and ArrayDeque 3. Create and use generic classes 4. Use Comparator and Comparable
Java Class Design	- Object-oriented principles 1. Use static variables, methods, and initialization blocks 2. Implement encapsulation 3. Create singleton and immutable classes 4. Override equals, hashCode, and toString 5. Implement inheritance and polymorphism
Java I/O Fundamentals	- Input and output 1. Use BufferedReader and BufferedWriter 2. Use serialization 3. Read and write files
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. Use Locale and ResourceBundle 2. Format dates and numbers 3. Handle localization properties
Exceptions and Assertions	- Error handling 1. Create custom exceptions 2. Use try-catch and try-with-resources 3. Use assertions
Advanced Java Class Design	- Advanced object-oriented features 1. Use the final keyword 2. Create nested and inner classes 3. Use enum types 4. Develop Lambda expressions 5. Use abstract classes and interfaces
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
Java Concurrency	- Multithreading 1. Create and manage threads 2. Use synchronized blocks and locks 3. Use concurrent collections 4. Use ExecutorService
Java File I/O	- NIO.2 API 1. Use Path and Files classes 2. Traverse directory structures 3. Read file attributes
Building Database Applications with JDBC	- Database connectivity 1. Process ResultSet data 2. Use JDBC drivers and connections 3. Execute SQL statements

Oracle 1z0-809日本語 Exam: Candid Answers

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

The Oracle Java SE 8 Programmer II (1z0-809日本語版) blueprint spans 12 domains — including Localization, Lambda Built-in Functional Interfaces, Building Database Applications with JDBC. Work the domains in order of weight; the complete outline above lists every subtopic.

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

120 minutes for 68 questions. The Exam4PDF PC dumps' simulated test environment builds the pacing you need — practice without limits on time or place.

What is the Oracle Java SE 8 Programmer II (1z0-809日本語版) certification exam about?

The Oracle Java SE 8 Programmer II (1z0-809日本語版) is Oracle's certification exam for Java SE, at the Professional level. It's harder than a driver's license test — but brand-new learning ways make it manageable. Related credentials include Oracle Certified Professional, Java SE 8 Programmer.

Are there prerequisites for the 1z0-809日本語 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日本語 exam page) before registering.

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

$245 USD per attempt, 65% to pass. Retakes cost the full fee, so prepare thoroughly — the 209 practice questions for the 1z0-809日本語 exam at Exam4PDF work as your personal think tank.

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Oracle Java SE 8 Programmer II (1z0-809日本語版) Sample Questions:

Question #1

次のコードフラグメントを考えてみましょう:
List<String> empDetails = Arrays.asList("100, Robin, HR", "200, Mary, AdminServices","101, Peter, HR"); empDetails.stream()
.filter(s-> s.contains("r"))
.sorted()
.forEach(System.out::println); //line n1
結果はどうなりましたか？

A. 101、ピーター、HR200、メアリー、管理サービス
B. 100、ロビン、HR101、ピーター、HR
C. E. 行 n1 でコンパイルエラーが発生します。
D. 100、ロビン、HR200、メアリー、AdminServices101、ピーター、HR

Reveal Solution Discussion 0

Correct Answer: D 🗳️

Question #2

Given:
class Worker extends Thread {
CyclicBarrier cb;
public Worker(CyclicBarrier cb) { this.cb = cb; }
public void run () {
try {
cb.await();
System.out.println("Worker...");
} catch (Exception ex) { }
}
}
class Master implements Runnable { //line n1
public void run () {
System.out.println("Master...");
}
}
and the code fragment:
Master master = new Master();
//line n2
Worker worker = new Worker(cb);
worker.start();
You have been asked to ensure that the run methods of both the Worker and Master classes are executed.
どの修正が要件を満たしていますか？