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Instant Download Oracle : 1z0-809日本語 Questions & Answers as PDF & Test Engine
- Exam Code: 1z0-809
- Exam Name: Java SE 8 Programmer II (1z0-809日本語版)
- Updated: Nov 05, 2026
- No. of Questions: 209 Questions and Answers
- Download Limit: Unlimited
Price: $79.98
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Some candidates print their study material; others prefer to drill on a laptop or a phone between meetings. That is why Lead2Passed offers the Oracle Java SE 8 Programmer II (1z0-809日本語版) (1z0-809日本語) preparation package as a printable PDF, a desktop test engine, and an online test engine, so your routine decides the format, not the other way around.
Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Concurrency | - Threading and Runnable - Concurrency Utilities |
| Topic 2: Advanced Object-Oriented Concepts | - Nested and Inner Classes - Abstract Classes and Interfaces |
| Topic 3: Functional Programming | - Lambda Expressions - Functional Interfaces |
| Topic 4: Database Access | - JDBC API - SQL Operations via Java |
| Topic 5: Java I/O | - File I/O (NIO.2) - Serialization |
| Topic 6: Exceptions and Assertions | - Assertions - Exception Handling |
| Topic 7: Streams API | - Parallel Streams - Stream Operations |
| Topic 8: Java Class Design | - Polymorphism and Method Overriding - Inheritance and Encapsulation |
| Topic 9: Generics and Collections | - Generic Types and Methods - Java Collections Framework |
Oracle 1z0-809日本語 Exam: Your Questions, Answered
The Oracle Java SE 8 Programmer II (1z0-809日本語版) exam is the official Oracle assessment behind the Oracle Certified Professional, Java SE 8 Programmer II credential, which sits at the Professional level. Passing it confirms that your skills meet the vendor's current requirements rather than a textbook outline. It also connects with related certifications such as Oracle Certified Associate, Java SE 8 Programmer (1Z0-808), so it can anchor a broader certification path.
According to the official exam information, the Oracle Java SE 8 Programmer II (1z0-809日本語版) exam includes Approx. 85 questions and gives you 150 minutes to complete them. Treat that as a pacing exercise, not just a knowledge check: bank the questions you know first, flag the ones that stall you, and circle back instead of burning minutes on a single item. Before test day, run at least one full timed session in the Lead2Passed desktop or online test engine, so the clock never feels unfamiliar when it counts.
To pass the Oracle Java SE 8 Programmer II (1z0-809日本語版) exam you need 65%, and the official registration fee is $245 USD. Keep one thing in mind: a failed attempt is not discounted, so retaking the exam means paying $245 USD again in full. A practical safeguard is to sit a complete Lead2Passed practice test a week or two before your exam date; if your timed scores are not sitting comfortably above the passing mark, consider pushing your booking back and drilling the weak domains first.
The official prerequisites for the Oracle Java SE 8 Programmer II (1z0-809日本語版) exam are as follows: Recommended: Oracle Certified Associate, Java SE 8 Programmer (1Z0-808) or equivalent Java programming knowledge. Requirements can change over time, so confirm the details on the official Oracle exam page at https://education.oracle.com before you book your seat.
You can register through the official channels listed below:
Exam delivery: Delivered via Pearson VUE test centers or online proctored exam.
Oracle points candidates toward the following official training options:
Official training builds the theory; the 209 practice questions from Lead2Passed show you how that theory appears in exam-style items, which is where most study plans actually pay off.
Yes. A free PDF demo of the Oracle Java SE 8 Programmer II (1z0-809日本語版) practice questions is available on the Lead2Passed samples page, so you can check the question style and difficulty before spending anything. Every purchase also includes 365 days of free updates, and if your product expires after that period, you can extend the update service from your member zone at 50% off.
If you take the 1z0-809日本語 exam within 60 days of your purchase and do not pass, Lead2Passed offers a 100% money-back guarantee: send a scanned copy of your exam enrollment slip together with the official Score Report PDF within two days of your exam date, and the refund is processed within seven days. The candidate name must match the payer name, and the guarantee does not apply to exams taken within three days of purchase, to material that was downloaded without the exam actually being taken, or to free materials and expired orders. Prefer to keep studying instead? You can exchange your purchase for two additional exam products of equal value, free of charge, while keeping the update service on your original product. Delivery itself is instant: the download link is emailed within one minute of payment, and if nothing arrives within two hours, our support team will sort it out. There is no limit on how many computers you install the material on.
The Oracle Java SE 8 Programmer II (1z0-809日本語版) syllabus is organized into 9 domains. The leading areas include Generics and Collections, Concurrency, and Exceptions and Assertions. For the complete, topic-by-topic breakdown, scroll up to the Exam Topics section above.
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：
class Employee {
Optional<Address> address;
Employee (Optional<Address> address) {
this.address = address;
}
public Optional<Address> getAddress() { return address; }
}
class Address {
String city = "New York";
public String getCity { return city: }
public String toString() {
return city;
}
}
and
Address address = null;
Optional<Address> addrs1 = Optional.ofNullable (address);
Employee e1 = new Employee (addrs1);
String eAddress = (addrs1.isPresent()) ? addrs1.get().getCity() : "City Not available"; What is the result?
- A. New York
- B. A NoSuchElementException is thrown at run time.
- C. null
- D. City Not available
Correct Answer: D 🗳️
Given that data.txt and alldata.txt are accessible, and the code fragment:
What is required at line n1 to enable the code to overwrite alldata.txt with data.txt?
- A. bw.flush();
- B. bw.writeln();
- C. br.flush();
- D. br.close();
Correct Answer: A 🗳️
アプリケーションのローカライズに関して当てはまる2つのステートメントはどれですか？
- A. 新しい地域言語のサポートには、コードの再コンパイルは必要ありません。
- B. リソースバンドルファイルには、データと通貨情報が含まれます。
- C. テキスト要素（メッセージとGUIラベル）はコードにハードコーディングされています。
- D. 言語および地域固有のプログラムは、ローカライズされたデータを使用して作成されます。
- E. 言語コードは小文字を使用し、地域コードは大文字を使用します。
Correct Answer: A,E 🗳️
Explanation: Only visible for Lead2Passed members. You can sign-up / login (it's free).
course.txtがアクセス可能であり、次のものが含まれている場合：
Course : : Java
and given the code fragment:
public static void main (String[ ] args) {
int i;
char c;
try (FileInputStream fis = new FileInputStream ("course.txt");
InputStreamReader isr = new InputStreamReader(fis);) {
while (!isr.close()) { //line n1
isr.skip(2);
i = isr.read ();
c = (char) i;
System.out.print(c);
}
} catch (Exception e) {
e.printStackTrace();
}
}
結果は何ですか？
- A. ur :: va
- B. ウエジャ
- C. コンパイルエラーが行n1で発生します。
- D. プログラムは何も印刷しません。
Correct Answer: D 🗳️
与えられた：
public class Counter {
public static void main (String[ ] args) {
int a = 10;
int b = -1;
assert (b >=1) : "Invalid Denominator";
int = a / b;
System.out.println (c);
}
}
-daオプションを使用してコードを実行した結果はどうなりますか？
- A. コンパイルエラーが発生します。
- B. AssertionErrorがスローされます。
- C. -10
- D. 0
Correct Answer: C 🗳️
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