- Exam Code: 1z1-809-JPN
- Exam Name: Java SE 8 Programmer II (1z0-809日本語版)
- Updated: Oct 28, 2026
- Q & A: 209 Questions and Answers
Oracle Java SE 8 Programmer II (1z0-809日本語版) : 1z0-809日本語 valid dump
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Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Advanced Java Class Design | 10% | - Use final keyword - Use enumerated types - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods |
| Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Work with Period, Duration, time zones - Use LocalDate, LocalTime, LocalDateTime, Instant |
| Generics and Collections | 15% | - Use generic classes, interfaces, and methods - Use Collections Framework: List, Set, Map, Queue - Analyze type safety and type erasure - Sort and search collections |
| Localization | 5% | - Format numbers, dates, messages - Use Locale class - Work with resource bundles |
| Lambda Expressions and Functional Interfaces | 15% | - Create and use lambda expressions - Use primitive and binary variants of functional interfaces - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use method references |
| Exceptions and Assertions | 8% | - Use try-catch, multi-catch, finally - Create custom exceptions - Use assertions - Use try-with-resources |
| JDBC | 5% | - Process resultsets - Connect to database - Execute queries and updates |
| Concurrency | 12% | - Use java.util.concurrent components - Use Executors, Callable, Future - Control thread lifecycle and synchronization - Create threads: Thread class, Runnable, ExecutorService |
| 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% | - Use Path, Files, FileSystem API - Stream operations on files - Read/write with java.io API |
| Java Class Design | 15% | - Override hashCode, equals, and toString methods - Implement inheritance including visibility modifiers and composition - Implement encapsulation - Create singleton and immutable classes - Implement polymorphism - Use static keyword in blocks, variables, methods, classes |
1z0-809日本語 Exam FAQ — Career, Convenience, Current News
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The Oracle Java SE 8 Programmer II (1z0-809日本語版) exam contains 68 to complete within 120 minutes. Timed simulation in the Actual4Dumps Desktop Test Engine teaches that rhythm before exam day does.
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The 1z0-809日本語 exam is a Oracle certification exam validating the Oracle Java SE 8 Programmer II (1z0-809日本語版) syllabus shown above. It belongs to these credential paths: Oracle Certified Associate, Java SE 8 Programmer. Candidates in 2026 start with Actual4Dumps's 209 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
Must pass 1Z0-808 (Java SE 8 Programmer I) to earn the certification Since requirements change over time, confirm the latest on the official Oracle exam page before scheduling.
The official Oracle Java SE 8 Programmer II (1z0-809日本語版) outline defines 11 domains. The leading three are Generics and Collections (15%), Concurrency (12%), and JDBC (5%). The full list is in the topics section above, and Actual4Dumps's 209 practice questions cover each one.
Oracle recommends these training resources for the Oracle Java SE 8 Programmer II (1z0-809日本語版) exam:
Follow the training with steady self-testing — the 209 practice questions from Actual4Dumps help you apply theory and fill any gaps the training leaves.
Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 209 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
Oracle Java SE 8 Programmer II (1z0-809日本語版) Sample Questions:
Question #1
Given the content of /resourses/Message.properties:
welcome1="Good day!"
and given the code fragment:
Properties 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"));
結果は何ですか？
- A. Good day!
Test
null - B. A compilation error occurs at line n1.
- C. Good day!
followed by an Exception stack trace - D. Good day!
Test
followed by an Exception stack trace
Correct Answer: A 🗳️
Question #2
コードの断片を考えると：
そして
結果は何ですか？
- A. class java.lang.Exception
- B. Video played.Game played.
- C. A compilation error occurs.
- D. class java.io.IOException
Correct Answer: A 🗳️
Question #3
Given that these files exist and are accessible:
and given the code fragment:
Which code fragment can be inserted at line n1to enable the code to print only
/company/emp?
- A. Stream<Path> stream = Files.walk (Paths.get ("/company"));
- B. Stream<Path> stream = Files.find(
Paths.get ("/company"), 1,
(p,b) -> b.isDirectory (), FileVisitOption.FOLLOW_LINKS); - C. Stream<Path> stream = Files.list (Paths.get ("/company"));
- D. Stream<Path> stream = Files.list (Paths.get ("/company/emp"));
Correct Answer: B 🗳️
Question #4
Given:
interface Rideable {Car getCar (String name); }
class Car {
private String name;
public Car (String name) {
this.name = name;
}
}
どのコードフラグメントがCarのインスタンスを作成しますか？
- A. Car vehicle = Rideable : : new : : getCar("MyCar");
- B. Car auto = Car : : new;
Car vehicle = auto : : getCar("MyCar"); - C. Car auto = Car ("MyCar"): : new;
- D. Rideable rider = Car : : new;
Car vehicle = rider.getCar("MyCar");
Correct Answer: D 🗳️
Question #5
与えられた条件:
結果はどうなりましたか？
- A. 例外がスローされます。
- B. MyException がスローされます。
- C. プログラムは何も印刷しません。
- D. コンパイル時エラーが発生します。
Correct Answer: B 🗳️
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