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In 2026, failing the 1z0-809日本語 exam still means paying the registration fee all over again. A Actual4test practice package with 209 up-to-date Oracle Java SE 8 Programmer II (1z0-809日本語版) questions costs far less than a single retake.
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 8 Programmer II |
| Exam Number: | 1Z0-809 |
| Exam Price: | $245 USD |
| Related Certifications: | Oracle Certified Professional, Java SE 8 Programmer |
| Certificate Validity Period: | Does not expire |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 68 |
| Passing Score: | 65% |
| Exam Format: | Multiple Choice |
| Available Languages: | Chinese Simplified, English |
| Sample Questions: | Oracle 1z0-809日本語 Sample Questions |
| Exam Way: | Online proctored exam or test center delivery |
| Pre Condition: | Candidates must first pass Oracle Certified Associate Java SE 8 Programmer (1Z0-808). |
| Official Syllabus URL: | https://education.oracle.com/java-se-8-programmer-ii/pexam_1Z0-809 |
| Section | Objectives |
|---|---|
| Topic 1: Localization | - Internationalization
|
| Topic 2: Building Database Applications with JDBC | - Database connectivity
|
| Topic 3: Java Class Design | - Object-oriented principles
|
| Topic 4: Lambda Built-in Functional Interfaces | - Functional programming
|
| Topic 5: Java Concurrency | - Multithreading
|
| Topic 6: Exceptions and Assertions | - Error handling
|
| Topic 7: Java I/O Fundamentals | - Input and output
|
| Topic 8: Java File I/O | - NIO.2 API
|
| Topic 9: Java Stream API | - Stream processing
|
| Topic 10: Advanced Java Class Design | - Advanced object-oriented features
|
| Topic 11: Java SE 8 Date/Time API | - Date and time handling
|
| Topic 12: Generics and Collections | - Collections framework
|
The 1z0-809日本語 exam (Java SE 8 Programmer II (1z0-809日本語版)) is the official Oracle exam that leads to the Java SE certification, a credential at the Professional level. Related certifications include Oracle Certified Professional, Java SE 8 Programmer. Actual4test provides 209 practice questions to help you prepare for it with confidence.
The 1z0-809日本語 exam contains 68 questions and gives you 120 minutes to finish them. Before exam day, divide the total time by the question count so you know the pace you need to keep, and flag difficult items instead of getting stuck on them. Running at least one full timed session in the Actual4test test engine is the best way to make that time pressure feel familiar.
You need 65% to pass, and the official registration fee is $245 USD. Keep in mind that a failed attempt means paying that fee in full again, so it pays to test yourself first. When your scores on the Actual4test timed practice tests stay consistently above the passing line, you are ready to book the exam.
Candidates must first pass Oracle Certified Associate Java SE 8 Programmer (1Z0-808). Requirements can change over time, so always double-check the latest eligibility rules before you register on the official Oracle exam page.
Yes. Actual4test offers a free 1z0-809日本語 PDF demo so you can check the quality of the practice questions before purchasing. After you buy, your product comes with 365 days of free updates, and if it expires you can renew the update service at a 50% discount from your member zone.
Your purchase is protected by our 100% Money Back Guarantee. If you take the corresponding 1z0-809日本語 exam within 60 days of purchase and do not pass, send us a scan of your enrollment slip and the official Score Report PDF within two days of the exam, and the full refund will be processed within seven days. The candidate name must match the payer name; exams taken within three days of purchase, free materials, and expired orders are not eligible. If you would rather not refund, you can exchange your product for two free products of equal value and keep the update service on your original purchase. Delivery itself is instant: your material is available for download and is emailed to you within one minute of payment. If nothing arrives within two hours, contact our support team. There is no limit on how many computers you may install it on.
The 1z0-809日本語 syllabus is organized into 12 exam domains. Among the first three are Java Class Design, Java Stream API, Java SE 8 Date/Time API. For the complete breakdown of topics and subtopics, see the Exam Topics section above.
Question 1
与えられた:
どのオプションが失敗しますか?
A. Foo<String, Integer> mark = new Foo<Object, Object> ("Steve", 100);
B. Foo<String, String> grade = new Foo <> ("John", "A");
C. Foo<String, String> pair = Foo.<String>twice ("Hello World!");
D. Foo<Object, Object> percentage = new Foo<Object, Object>("Steve", 100);
Question 2
与えられた:
class Book {
int id;
String name;
public Book (int id, String name) {
this.id = id;
this.name = name;
}
public boolean equals (Object obj) { //line n1
boolean output = false;
Book b = (Book) obj;
if (this.id = = b.id) {
output = true;
}
return output;
}
}
and the code fragment:
Book b1 = new Book (101, "Java Programing");
Book b2 = new Book (102, "Java Programing");
System.out.println (b1.equals(b2)); //line n2
どの文が真実ですか?
A. プログラムはtrueを出力します。
B. コンパイルエラーが発生します。To ensure successful compilation, replace line n1 with:boolean equals (Book obj) {
C. プログラムはfalseを出力します。
D. A compilation error occurs. To ensure successful compilation, replace line n2 with:System.out.println (b1.equals((Object) b2));
Question 3
Given the definition of the Country class:
public class country {
public enum Continent {ASIA, EUROPE}
String name;
Continent region;
public Country (String na, Continent reg) {
name = na, region = reg;
}
public String getName () {return name;}
public Continent getRegion () {return region;}
}
and the code fragment:
List<Country> couList = Arrays.asList (
new Country ("Japan", Country.Continent.ASIA),
new Country ("Italy", Country.Continent.EUROPE),
new Country ("Germany", Country.Continent.EUROPE));
Map<Country.Continent, List<String>> regionNames = couList.stream ()
.collect(Collectors.groupingBy (Country ::getRegion,
Collectors.mapping(Country::getName, Collectors.toList()))));
System.out.println(regionNames);
What is the output?
A. {EUROPE = [Germany], EUROPE = [Italy], ASIA = [Japan]}
B. {ASIA = [Japan], EUROPE = [Italy, Germany]}
C. {EUROPE = [Germany, Italy], ASIA = [Japan]}
D. {EUROPE = [Italy, Germany], ASIA = [Japan]}
Question 4
与えられた条件:
関数インターフェースを使用してリファクタリングされたコードはどれですか?
A.
B.
C.
D. 
Question 5
Given the code fragment:
public static void main (String[] args) throws IOException {
BufferedReader brCopy = null;
try (BufferedReader br = new BufferedReader (new
FileReader("employee.txt"))) { //
line n1
br.lines().forEach(c -> System.out.println(c));
brCopy = br;//line n2
}
brCopy.ready(); //line n3;
}
BufferedReaderのreadyメソッドが閉じたBufferedReaderで呼び出されたときに例外をスローし、employee.txtがアクセス可能で有効なテキストを含んでいると仮定します。
結果は何ですか?
A. 行n2でコンパイルエラーが発生します。
B. コンパイルエラーはn3行目で発生します。
C. コードは、employee.txtファイルの内容を出力し、n3行目に例外をスローします。
D. 行n1でコンパイルエラーが発生します。
Solutions:
| Question 1 Answer: D | Question 2 Answer: C | Question 3 Answer: B | Question 4 Answer: D | Question 5 Answer: C |
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