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Oracle 1z0-809日本語 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 8 Programmer II |
| Exam Number: | 1Z0-809 |
| Related Certifications: | Oracle Certified Associate, Java SE 8 Programmer |
| Real Exam Qty: | 68 |
| Exam Price: | USD $245 |
| Certificate Validity Period: | Does not expire |
| Exam Duration: | 120 minutes |
| Exam Format: | Multiple Choice, Multiple Select |
| Available Languages: | Japanese, English, Simplified Chinese |
| Passing Score: | 65% |
| 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: |  |
| 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日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Lambda Expressions and Functional Interfaces | 15% | - Use primitive and binary variants of functional interfaces - Create and use lambda expressions - Use method references - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier |
| Java I/O and NIO.2 | 8% | - Stream operations on files - Use Path, Files, FileSystem API - Read/write with java.io API |
| Exceptions and Assertions | 8% | - Use try-catch, multi-catch, finally - Use assertions - Create custom exceptions - Use try-with-resources |
| Java Class Design | 15% | - Implement polymorphism - Implement encapsulation - Use static keyword in blocks, variables, methods, classes - Create singleton and immutable classes - Override hashCode, equals, and toString methods - Implement inheritance including visibility modifiers and composition |
| Concurrency | 12% | - Create threads: Thread class, Runnable, ExecutorService - Use Executors, Callable, Future - Control thread lifecycle and synchronization - Use java.util.concurrent components |
| 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 |
| JDBC | 5% | - Execute queries and updates - Process resultsets - Connect to database |
| Java Stream API | 15% | - Describe Stream interface and pipeline - Work with Optional class - Filter, map, and process streams - Use terminal operations: collect, reduce, count |
| Java SE 8 Date/Time API | 7% | - Work with Period, Duration, time zones - Use LocalDate, LocalTime, LocalDateTime, Instant - Format and parse dates/times |
| Localization | 5% | - Format numbers, dates, messages - Use Locale class - Work with resource bundles |
| Advanced Java Class Design | 10% | - Use abstract classes and methods - Create inner classes: static, local, nested, anonymous - Use final keyword - Use enumerated types |
1z0-809日本語 FAQ — Efficient Preparation Starts Here
Must pass 1Z0-808 (Java SE 8 Programmer I) to earn the certification Eligibility rules do change, so confirm the current requirements on the official page (official 1z0-809日本語 exam page) before booking.
120 minutes for 68 questions. Efficiency beats exhaustion: the ExamTorrent software version simulates the real test scene and scores your performance, so every practice hour moves you forward.
Yes:
Training gives knowledge direction; practice gives it proof. Follow courses with the 209 practice questions for the Oracle Java SE 8 Programmer II (1z0-809日本語版) to measure real progress.
Delivery and payment are both safe: we support credit card payment, your information is protected by a strict system, and the product emails automatically within a minute of purchase — unlimited devices, 7*24 support if nothing arrives within 2 hours. If you fail the corresponding 1z0-809日本語 exam within 60 days of purchase, we refund in full: provide a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam, processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Or exchange for two equal-value products free.
USD $245 per attempt, 65% to pass. Since a retake costs the full fee, prepare with direction: the 209 practice questions from ExamTorrent focus your effort where the exam points are.
The Oracle Java SE 8 Programmer II (1z0-809日本語版) is Oracle's certification exam for Oracle Certified Professional, Java SE 8 Programmer, at the Professional level. It validates applied skills employers hire for — a credential worth the effort. Related credentials include Oracle Certified Associate, Java SE 8 Programmer.
The Oracle Java SE 8 Programmer II (1z0-809日本語版) blueprint covers 11 domains — including Localization (5%), Java Class Design (15%), Java SE 8 Date/Time API (7%). The weightings are your efficiency map: heavy domains first. Every subtopic appears in the outline above.
Through the vendor's official registration channels:
The Oracle Java SE 8 Programmer II (1z0-809日本語版) is delivered Online proctored or onsite at Pearson VUE test centers, so pick the arrangement that suits you when booking.
Yes — download the free Oracle Java SE 8 Programmer II (1z0-809日本語版) demo and judge the question quality before paying. Every purchase stays valid for 365 days with free updates throughout, renewable afterward at 50% off.
Oracle Java SE 8 Programmer II (1z0-809日本語版) Sample Questions:
コードの断片を考えると：
and the information:
- The required database driver is configured in the classpath.
- The appropriate database is accessible with the dbURL, username, and passWord exists.
結果は何ですか？
- A. A ClassNotFoundException is thrown at runtime.
- B. The program prints Connection Established.
- C. The program prints nothing.
- D. A SQLException is thrown at runtime.
Correct Answer: B 🗳️
コードの断片を考えると：
Map <Integer、String> books = new TreeMap <>（）;
books.put（1007、「A」）;
books.put（1002、 "C"）;
books.put（1001、 "B"）;
books.put（1003、「B」）;
System.out.println（書籍）;
結果は何ですか？
- A. {1001 = B、1002 = C、1003 = B、1007 = A}
- B. {1002 = C、1003 = B、1007 = A}
- C. {1007 = A、1001 = B、1003 = B、1002 = C}
- D. {1007 = A、1002 = C、1001 = B、1003 = B}
Correct Answer: A 🗳️
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コードの断片を考えると：
結果は何ですか？
- A. Word: why Word: what Word: when
- B. Word: why Word: why what Word: why what when
- C. Compilation fails at line n1.
- D. Word: why what when
Correct Answer: C 🗳️
Given:
結果は何ですか？
- A. Hi Interface-1
- B. A compilation error occurs.
- C. Hi MyClass
- D. Hi Interface-2
Correct Answer: C 🗳️
与えられた：
and the code fragment:
スレッドt1とt2は非同期に実行され、ABCAまたはAACBを出力する可能性があります。
スレッドを同期的に実行してABCを出力するようにコードを変更するように求められました。
どの修正が要件を満たしていますか？
- A. Replace line n1 with:private synchronized int count = 0;
- B. Replace line n2 with:volatile int count = 0;
- C. Replace line n2 with:public synchronized void run () {
- D. start the threads t1 and t2 within a synchronized block.
Correct Answer: D 🗳️
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