Prepare with latest Oracle 1z0-809日本語 Pass-King Actual Torrent
Last Updated: Nov 02, 2026
No. of Questions: 209 Questions & Answers with Testing Engine
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Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Concurrency | 12% | - Use java.util.concurrent components - Create threads: Thread class, Runnable, ExecutorService - Use Executors, Callable, Future - Control thread lifecycle and synchronization |
| Topic 2: Lambda Expressions and Functional Interfaces | 15% | - Create and use lambda expressions - Use primitive and binary variants of functional interfaces - Use method references - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier |
| Topic 3: Localization | 5% | - Format numbers, dates, messages - Work with resource bundles - Use Locale class |
| Topic 4: Java Class Design | 15% | - Implement inheritance including visibility modifiers and composition - Implement encapsulation - Use static keyword in blocks, variables, methods, classes - Implement polymorphism - Override hashCode, equals, and toString methods - Create singleton and immutable classes |
| Topic 5: Java Stream API | 15% | - Describe Stream interface and pipeline - Filter, map, and process streams - Work with Optional class - Use terminal operations: collect, reduce, count |
| Topic 6: Advanced Java Class Design | 10% | - Create inner classes: static, local, nested, anonymous - Use enumerated types - Use final keyword - Use abstract classes and methods |
| Topic 7: Generics and Collections | 15% | - Sort and search collections - Analyze type safety and type erasure - Use generic classes, interfaces, and methods - Use Collections Framework: List, Set, Map, Queue |
| Topic 8: Exceptions and Assertions | 8% | - Create custom exceptions - Use assertions - Use try-with-resources - Use try-catch, multi-catch, finally |
| Topic 9: JDBC | 5% | - Process resultsets - Execute queries and updates - Connect to database |
| Topic 10: Java SE 8 Date/Time API | 7% | - Use LocalDate, LocalTime, LocalDateTime, Instant - Work with Period, Duration, time zones - Format and parse dates/times |
| Topic 11: Java I/O and NIO.2 | 8% | - Stream operations on files - Read/write with java.io API - Use Path, Files, FileSystem API |
Oracle Java SE 8 Programmer II (1z0-809日本語版) Questions, Answered Carefully
Per the latest exam information, the 1z0-809日本語 exam presents 68 questions in 120 minutes minutes. Knowing the format precisely removes one major source of exam-day anxiety.
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Oracle recommends the following official training resources:
Choose a course that matches your starting point, then reinforce it with steady question practice.
The Oracle Java SE 8 Programmer II (1z0-809日本語版) blueprint covers these core domains:
- Java Class Design (15%)
- Java I/O and NIO.2 (8%)
- Java Stream API (15%)
The official outline lists further domains, all covered in our question bank.
Oracle publishes these prerequisites for the Oracle Java SE 8 Programmer II (1z0-809日本語版): Must pass 1Z0-808 (Java SE 8 Programmer I) to earn the certification.
Check the authoritative wording on the official certification page before registering.
At present, passing the 1z0-809日本語 exam requires 65%, and the registration fee is USD $245. Both are set by Oracle and can change — confirm them on the official site when you book.
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Written, clear, and honored. If you fail the corresponding exam within 60 days of purchase, send us a scanned copy of your enrollment slip and your official Score Report PDF within two days of the exam date; verified claims are refunded in full within seven days. Exclusions: exams taken within three days of purchase, candidate names that differ from the payer, and free or expired products. If you prefer, exchange your product for two others of equal value at no charge.
Oracle Java SE 8 Programmer II (1z0-809日本語版) Sample Questions:
とコードの断片？
結果は何ですか？
- A. 15ドル
- B. 15.00ドル
- C. 15.00米ドル
- D. 15ドル
Correct Answer: B 🗳️
Given:
結果は何ですか？
- A. -catch-
-finally-
-dostuff- - B. -finally-
-catch- - C. -finally
-dostuff-
-catch- - D. -catch-
Correct Answer: B 🗳️
Explanation: Only visible for ActualTorrent members. You can sign-up / login (it's free).
コードの断片を考えると：
String str = "Java is a programming language";
ToIntFunction<String> indexVal = str: : indexOf; //line n1
int x = indexVal.applyAsInt("Java");//line n2
System.out.println(x);
What is the result?
- A. 0
- B. 1
- C. A compilation error occurs at line n2.
- D. A compilation error occurs at line n1.
Correct Answer: A 🗳️
コードの断片を考えると：
interface CourseFilter extends Predicate<String> {
public default boolean test (String str) {
return str.equals ("Java");
}
}
and
List<String> strs = Arrays.asList("Java", "Java EE", "Java ME");
Predicate<String> cf1 = s - > s.length() > 3;
Predicate cf2 = new CourseFilter() { //line n1
public boolean test (String s) {
return s.contains ("Java");
}
};
long c = strs.stream()
.filter(cf1)
.filter(cf2//line n2
.count();
System.out.println(c);
What is the result?
- A. A compilation error occurs at line n2.
- B. 3
- C. A compilation error occurs at line n1.
- D. 2
Correct Answer: B 🗳️
与えられた：
単一の実行順序を保証するために、どのような変更を行う必要がありますか（1から100までの値が順番に印刷されます）？
- A. Line 3: public synchronized void run() {
- B. Line 1: class MyClass extends Thread {
- C. Line 2: public volatile int value;
- D. Line 2: public synchronized int value;
Correct Answer: B 🗳️
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