Try and practice the latest Oracle : 1z0-809日本語 real questions & answers
Last Updated: Sep 20, 2026
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Failing the 1z0-809日本語 exam means paying the registration fee all over again. A set of 209 practice questions from Actual4Cert costs far less than a retake of Oracle Java SE 8 Programmer II (1z0-809日本語版).
Oracle 1z0-809日本語 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 8 Programmer II |
| Exam Number: | 1Z0-809 |
| Certificate Validity Period: | Does not expire |
| Exam Price: | USD $245 |
| Real Exam Qty: | 68 |
| Exam Format: | Multiple Select, Multiple Choice |
| Exam Duration: | 120 minutes |
| Available Languages: | Japanese, Simplified Chinese, English |
| Related Certifications: | Oracle Certified Associate, Java SE 8 Programmer |
| Passing Score: | 65% |
| Recommended Training: | Java SE 8 Programmer II Exam Preparation Seminar Java SE 8 Programming II |
| Exam Registration: | Oracle University Exam Purchase Pearson VUE Registration |
| Sample Questions: | DOWNLOAD DEMO |
| 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 |
|---|---|---|
| Topic 1: Advanced Java Class Design | 10% | - Use final keyword - Use abstract classes and methods - Create inner classes: static, local, nested, anonymous - Use enumerated types |
| Topic 2: Concurrency | 12% | - Use Executors, Callable, Future - Control thread lifecycle and synchronization - Use java.util.concurrent components - Create threads: Thread class, Runnable, ExecutorService |
| Topic 3: Localization | 5% | - Use Locale class - Work with resource bundles - Format numbers, dates, messages |
| Topic 4: Lambda Expressions and Functional Interfaces | 15% | - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Create and use lambda expressions - Use method references - Use primitive and binary variants of functional interfaces |
| Topic 5: Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Work with Period, Duration, time zones - Use LocalDate, LocalTime, LocalDateTime, Instant |
| Topic 6: Java Stream API | 15% | - Describe Stream interface and pipeline - Work with Optional class - Use terminal operations: collect, reduce, count - Filter, map, and process streams |
| Topic 7: Java Class Design | 15% | - Use static keyword in blocks, variables, methods, classes - Implement inheritance including visibility modifiers and composition - Implement polymorphism - Create singleton and immutable classes - Implement encapsulation - Override hashCode, equals, and toString methods |
| Topic 8: JDBC | 5% | - Process resultsets - Connect to database - Execute queries and updates |
| Topic 9: Generics and Collections | 15% | - Sort and search collections - Analyze type safety and type erasure - Use Collections Framework: List, Set, Map, Queue - Use generic classes, interfaces, and methods |
| Topic 10: Exceptions and Assertions | 8% | - Use try-with-resources - Use try-catch, multi-catch, finally - Use assertions - Create custom exceptions |
| Topic 11: Java I/O and NIO.2 | 8% | - Use Path, Files, FileSystem API - Stream operations on files - Read/write with java.io API |
Everything Candidates Ask About the 1z0-809日本語 Exam
The Oracle Java SE 8 Programmer II (1z0-809日本語版) exam (exam code 1z0-809日本語) is the official Oracle exam that leads to the Oracle Certified Professional, Java SE 8 Programmer certification, sitting at the Professional level of the Oracle certification track. It is also connected with Oracle Certified Associate, Java SE 8 Programmer. If this is the credential you are working toward, the 209 practice questions at Actual4Cert map directly to its objectives.
The Oracle Java SE 8 Programmer II (1z0-809日本語版) exam includes 68 questions, and you have 120 minutes to complete them. Divide the time limit by the question count and you get a tight average pace per item, so train yourself to flag time-consuming questions and return to them later instead of getting stuck. Before test day, run at least one full timed session in the Actual4Cert test engine under the same limits — the clock should never surprise you.
The passing score for Oracle Java SE 8 Programmer II (1z0-809日本語版) is 65%, and the official registration fee is USD $245. A failed attempt means paying that fee in full again, so your preparation budget deserves the same attention as your study plan. A practical rule: book your exam date only after you can finish a Actual4Cert practice test comfortably above the passing score more than once.
According to Oracle, candidates should meet the following before registering: Must pass 1Z0-808 (Java SE 8 Programmer I) to earn the certification. Requirements can change, so confirm the latest details on the official exam page before you register.
You can register for the Oracle Java SE 8 Programmer II (1z0-809日本語版) exam through the official channels below:
Exam delivery: Online proctored or onsite at Pearson VUE test centers.
Oracle lists the following official training options for this exam:
Formal training builds the theory; pair it with the 209 practice questions from Actual4Cert to find out whether you are genuinely ready for the exam.
Yes. A free PDF demo of the 1z0-809日本語 practice questions is available to download, so you can judge the format and quality before paying anything. Every purchase also includes 365 days of free updates, and if your product expires you can extend the update service at a 50% discount.
Your order is covered by a conditional 100% money-back guarantee: if you take the corresponding exam within 60 days of purchase and do not pass, you may apply for a full refund. Exams taken within 3 days of purchase are not eligible, nor are free materials or expired orders, and the candidate name must match the payer name. To claim, submit a scanned enrollment slip and your official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Prefer to keep studying? You can instead exchange your purchase for two free products of equal value while keeping the update service on your original one. Delivery itself is immediate: your product unlocks for instant download right after payment and a copy is emailed to you within a minute — if nothing arrives within 2 hours, contact our support team. There is no limit on the number of computers you can install it on.
The Oracle Java SE 8 Programmer II (1z0-809日本語版) blueprint is divided into 11 major domains, starting with Java Class Design (15%), Exceptions and Assertions (8%), and Lambda Expressions and Functional Interfaces (15%). The full breakdown, including every subdomain and its weighting, is listed in the Exam Topics section above — review it against your own weak areas before scheduling the exam.
Oracle Java SE 8 Programmer II (1z0-809日本語版) Sample Questions:
Given:
とコードの断片：
結果は何ですか？
- A. [Java EE: Helen:Houston]
[Java ME: Jessy:Chicago, Java ME: Mark:Chicago] - B. [Java ME: Jessy:Chicago, Java ME: Mark:Chicago]
[Java EE: Helen:Houston] - C. Java EE
Java ME - D. A compilation error occurs.
Correct Answer: D 🗳️
Explanation: Only visible for Actual4Cert members. You can sign-up / login (it's free).
コードの断片を考えると：
public class Book implements Comparator<Book> {
String name;
double price;
public Book () {}
public Book(String name, double price) {
this.name = name;
this.price = price;
}
public int compare(Book b1, Book b2) {
return b1.name.compareTo(b2.name);
}
public String toString() {
return name + ":" + price;
}
}
and
List<Book>books = Arrays.asList (new Book ("Beginning with Java", 2), new book ("A Guide to Java Tour", 3)); Collections.sort(books, new Book()); System.out.print(books); What is the result?
- A. An Exception is thrown at run time.
- B. [Beginning with Java:2, A Guide to Java Tour:3]
- C. [A Guide to Java Tour:3.0, Beginning with Java:2.0]
- D. A compilation error occurs because the Book class does not override the abstract method compareTo().
Correct Answer: C 🗳️
Given:
結果は何ですか？
- A. Hi Interface-2
- B. Hi MyClass
- C. A compilation error occurs.
- D. Hi Interface-1
Correct Answer: B 🗳️
コードの断片を考えると：
public void recDelete (String dirName) throws IOException {
File [ ] listOfFiles = new File (dirName) .listFiles();
if (listOfFiles ! = null && listOfFiles.length >0) {
for (File aFile : listOfFiles) {
if (!aFile.isDirectory ()) {
if (aFile.getName ().endsWith (".class"))
aFile.delete ();
}
}
}
}
Projectsには.classファイルを含むサブディレクトリが含まれており、起動時にrecDelete（）メソッドへの引数として渡されると仮定します。
結果は何ですか？
- A. メソッドはIOExceptionをスローします。
- B. メソッドが実行され、Projectsディレクトリは変更されません。
- C. このメソッドは、Projectsディレクトリとそのサブディレクトリ内のすべての.classファイルを削除します。
- D. このメソッドは、Projectsディレクトリの.classファイルのみを削除します。
Correct Answer: D 🗳️
Given:
and
クラスTxtをリファクタリングするには、java.util.functionpackageのどのインターフェイスを使用する必要がありますか？
- A. Consumer
- B. Predicate
- C. Supplier
- D. Function
Correct Answer: D 🗳️
Explanation: Only visible for Actual4Cert members. You can sign-up / login (it's free).
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