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Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Advanced Java Class Design | 10% | - Use enumerated types - Use final keyword - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods |
| Topic 2: Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Use LocalDate, LocalTime, LocalDateTime, Instant - Work with Period, Duration, time zones |
| Topic 3: Exceptions and Assertions | 8% | - Create custom exceptions - Use try-catch, multi-catch, finally - Use try-with-resources - Use assertions |
| Topic 4: Java Class Design | 15% | - Override hashCode, equals, and toString methods - Implement inheritance including visibility modifiers and composition - Create singleton and immutable classes - Implement encapsulation - Use static keyword in blocks, variables, methods, classes - Implement polymorphism |
| Topic 5: Generics and Collections | 15% | - Use generic classes, interfaces, and methods - Use Collections Framework: List, Set, Map, Queue - Sort and search collections - Analyze type safety and type erasure |
| Topic 6: 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 7: Localization | 5% | - Work with resource bundles - Use Locale class - Format numbers, dates, messages |
| Topic 8: Concurrency | 12% | - Use Executors, Callable, Future - Create threads: Thread class, Runnable, ExecutorService - Control thread lifecycle and synchronization - Use java.util.concurrent components |
| Topic 9: JDBC | 5% | - Execute queries and updates - Process resultsets - Connect to database |
| Topic 10: Java I/O and NIO.2 | 8% | - Stream operations on files - Use Path, Files, FileSystem API - Read/write with java.io API |
| Topic 11: Java Stream API | 15% | - Filter, map, and process streams - Describe Stream interface and pipeline - Work with Optional class - Use terminal operations: collect, reduce, count |
Oracle 1z0-809日本語 Exam — Answers to Your Questions
The Oracle Java SE 8 Programmer II (1z0-809日本語版) (exam code 1z0-809日本語) is the exam you pass to earn the Oracle Certified Professional, Java SE 8 Programmer certification, a credential at the Professional level. It is also connected with related credentials such as Oracle Certified Associate, Java SE 8 Programmer. If you are mapping out a certification path with Oracle, this exam is a milestone worth planning around.
The 1z0-809日本語 exam includes 68 questions, and you have 120 minutes to complete them. With that many questions on the clock, pacing is part of the challenge: divide your time into rough blocks as you go, and flag the items that stall you so you can circle back at the end instead of burning minutes on a single question. A week or two before your exam date, sit at least one full timed session in the GuideTorrent test engine under the same time limit, so the pace feels familiar rather than frantic on the day.
You need 65% to pass the 1z0-809日本語 exam, and the official registration fee is USD $245. That fee is due again in full for every retake, which makes thorough preparation the cheaper investment by far. Before you book your seat, test yourself with the GuideTorrent practice questions until you are scoring comfortably above the passing mark on a consistent basis — it is the simplest way to avoid paying for the same exam twice.
Must pass 1Z0-808 (Java SE 8 Programmer I) to earn the certification
Eligibility rules can be adjusted by Oracle over time, so before you register, confirm the current requirements on the official exam page: view the official 1z0-809日本語 exam information.
You can book the 1z0-809日本語 exam through the official registration channels below:
How the exam is taken: Online proctored or onsite at Pearson VUE test centers.
Oracle lists the following official training options for candidates preparing for this exam:
Once you have worked through the training, measure your readiness with the 209 practice questions from GuideTorrent — they show you exactly which topics still need attention before you book the exam.
Yes. GuideTorrent offers a free PDF demo of the 1z0-809日本語 practice questions, so you can judge the quality of the material firsthand before paying anything. Every purchase also includes 365 days of free updates — if Oracle changes the exam during that year, your material changes with it. And when the free update period expires, you can extend it at a 50% discount from within your member zone.
Every 1z0-809日本語 purchase at GuideTorrent is backed by a 100% Money Back Guarantee: if you take the corresponding exam within 60 days of your purchase and do not pass, you can apply for a full refund. The guarantee has clear conditions — it does not apply if you sit the exam within 3 days of purchase, if you downloaded the material but never actually took the exam, or to free materials and expired orders, and the candidate name must match the payer name. To file a claim, send a scan of your exam enrollment slip together with your official Score Report PDF within 2 days of the exam; claims are processed within 7 days. If you would rather not take a refund, you can exchange the product instead and receive two additional exam preparation products of equal value for free, while your original product keeps its update service. Delivery itself is instant: your material is available for download right after payment and is also sent to your email within one minute — if it has not arrived within 2 hours, contact our customer service. There is no limit on how many computers you can install it on.
The official Oracle Java SE 8 Programmer II (1z0-809日本語版) outline divides the exam content into 11 main domains. The first three are:
- Lambda Expressions and Functional Interfaces — 15%
- Exceptions and Assertions — 8%
- Advanced Java Class Design — 10%
That is only the headline view — scroll back up to the Exam Topics section on this page for the complete domain-by-domain breakdown before you plan your study schedule.
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：
Path path1 = Paths.get("/app/./sys/");
Path res1 = path1.resolve("log");
Path path2 = Paths.get("/server/exe/");
Path res1 = path1.resolve("/readme/");
System.out.println(res1);
System.out.println(res2);
結果は何ですか？
- A. /app/log/sys
/server/exe/readme - B. /app/./sys/log
/server/exe/readme - C. /app/./sys/log
/readme - D. /app/sys/log
/readme/server/exe
Correct Answer: C 🗳️
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. A compilation error occurs at line n1.
- B. 0
- C. A compilation error occurs at line n2.
- D. 1
Correct Answer: B 🗳️
コードの断片を考えると：
そして
結果は何ですか？
- A. The program prints Run... and throws an exception.
- B. A compilation error occurs at line n1.
- C. A compilation error occurs at line n2.
- D. Run...
Call...
Correct Answer: D 🗳️
Given:
final class Folder {//line n1
//line n2
public void open () {
System.out.print("Open");
}
}
public class Test {
public static void main (String [] args) throws Exception {
try (Folder f = new Folder()) {
f.open();
}
}
}
どの2つの変更により、コードでOpen Closeを印刷できますか？
- A. At line n2, insert:
final void close () {
System.out.print("Close");
} - B. Replace line n1 with:
class Folder extends Closeable { - C. At line n2, insert:
public void close () throws IOException {
System.out.print("Close");
} - D. Replace line n1 with:
class Folder implements AutoCloseable { - E. Replace line n1 with:
class Folder extends Exception {
Correct Answer: C,D 🗳️
コードの断片を考えると：
List<String> str = Arrays.asList ("my", "pen", "is", "your', "pen");
Predicate<String> test = s -> {
int i = 0;
boolean result = s.contains ("pen");
System.out.print(i++) + ":");
return result;
};
str.stream()
.filter(test)
.findFirst()
.ifPresent(System.out ::print);
結果は何ですか？
- A. A compilation error occurs.
- B. 0 : 1 : pen
- C. 0 : 0 : 0 : 0 : 0 : pen
- D. 0 : 1 : 2 : 3 : 4 :
- E. 0 : 0 : pen
Correct Answer: E 🗳️
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