We base our 1z0-809 preparation on recent years' exams and industry trends through rigorous analysis — then keep revising. Your purchase includes 365 days of free updates, so through 2026 and beyond, your 209 practice questions for the Oracle Java SE 8 Programmer II track the live exam, not a memory of it.
Oracle 1z0-809 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 8 Programmer II |
| Exam Number: | 1Z0-809 |
| Passing Score: | 65% |
| Real Exam Qty: | 68 |
| Certificate Validity Period: | Does not expire |
| Exam Format: | Multiple Choice |
| Exam Duration: | 120 minutes |
| Related Certifications: | Oracle Certified Professional, Java SE 8 Programmer |
| Available Languages: | Chinese Simplified, English |
| Exam Price: | $245 USD |
| Sample Questions: | DOWNLOAD DEMO |
| 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 |
Oracle 1z0-809 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Lambda Built-in Functional Interfaces | - Functional programming
|
| Java Concurrency | - Multithreading
|
| Advanced Java Class Design | - Advanced object-oriented features
|
| Java File I/O | - NIO.2 API
|
| Generics and Collections | - Collections framework
|
| Exceptions and Assertions | - Error handling
|
| Java Stream API | - Stream processing
|
| Localization | - Internationalization
|
| Java I/O Fundamentals | - Input and output
|
| Java SE 8 Date/Time API | - Date and time handling
|
| Building Database Applications with JDBC | - Database connectivity
|
| Java Class Design | - Object-oriented principles
|
Oracle 1z0-809 Exam: Questions Before You Commit
The Oracle Java SE 8 Programmer II blueprint is divided into 12 domains, headlined by Generics and Collections, Exceptions and Assertions, and Java I/O Fundamentals. The full weighted outline is in the syllabus section above — our materials are revised against it, and your study hours should follow it too.
The 1z0-809 exam packs 68 questions into 120 minutes. That ratio is the hidden exam-within-the-exam: candidates who never practice under time pressure often know the content and still run out of minutes. Use the UpdateDumps Windows engine or online engine in timed mode, and let pacing become a practiced skill rather than an exam-day surprise.
Delivery first: download immediately after payment, with an email copy arriving within one minute. If 2 hours pass with no email, check spam and contact our support team. There is no limit on how many computers you can install the software on.
If you sit the 1z0-809 exam within 60 days of purchase and do not pass, the UpdateDumps money back guarantee covers you: file within 2 days of the exam with a scanned enrollment slip and the official score report (PDF), and the claim is processed within 7 days. The candidate name must match the payer name; the policy excludes exams taken within 3 days of purchase, purchases never used in an actual exam attempt, free materials, and expired orders. If you prefer to keep preparing, exchange the product for two free exam packages of equal value and retain the update service on your original purchase.
You pass the 1z0-809 exam at 65%, and official registration costs $245 USD. Keep in mind the fee covers one attempt only — a retake is billed at full price again. The economical path is to self-test first: drill 209 practice questions at UpdateDumps in timed mode until your scores clear the passing mark consistently, then register.
Yes — UpdateDumps offers a free PDF demo of the 1z0-809 practice questions, so you can evaluate the expert-designed content and verified answers before paying anything. Once you purchase, 365 days of free updates are included, and if the product expires, the update service renews at a 50% discount from your member zone.
Candidates must first pass Oracle Certified Associate Java SE 8 Programmer (1Z0-808).
Vendor rules change periodically, so before booking, confirm the current criteria on the official Oracle exam page.
The 1z0-809 exam — full name Java SE 8 Programmer II — is Oracle's certification exam for professionals working with its technologies; passing it awards the Java SE certification, a credential at the Professional level. It is the kind of vendor-issued proof employers can compare across candidates, which is exactly why it stays in demand. It also leads naturally toward Oracle Certified Professional, Java SE 8 Programmer.
Oracle Java SE 8 Programmer II Sample Questions:
Given:
and the code fragment:
The threads t1 and t2 execute asynchronously and possibly prints ABCA or AACB.
You have been asked to modify the code to make the threads execute synchronously and prints ABC.
Which modification meets the requirement?
- A. Replace line n2 with:volatile int count = 0;
- B. Replace line n1 with:private synchronized int count = 0;
- C. start the threads t1 and t2 within a synchronized block.
- D. Replace line n2 with:public synchronized void run () {
Correct Answer: C 🗳️
Given the code fragment:
What is the result?
- A. A compilation error occurs at line n2.
- B. A compilation error occurs at line n1.
- C. Checking...Checking...
- D. Checking...
Correct Answer: B 🗳️
Given the code fragment:
List<String> nL = Arrays.asList("Jim", "John", "Jeff");
Function<String, String> funVal = s -> "Hello : ".contact(s);
nL.Stream()
.map(funVal)
.peek(System.out::print);
What is the result?
- A. The program prints nothing.
- B. Hello : Jim Hello : John Hello : Jeff
- C. A compilation error occurs.
- D. Jim John Jeff
Correct Answer: A 🗳️
Given:
class Student {
String course, name, city;
public Student (String name, String course, String city) {
this.course = course; this.name = name; this.city = city;
}
public String toString() {
return course + ":" + name + ":" + city;
}
and the code fragment:
List<Student> stds = Arrays.asList(
new Student ("Jessy", "Java ME", "Chicago"),
new Student ("Helen", "Java EE", "Houston"),
new Student ("Mark", "Java ME", "Chicago"));
stds.stream()
.collect(Collectors.groupingBy(Student::getCourse))
.forEach(src, res) -> System.out.println(scr));
What is the result?
- A. Java EEJava ME
- B. [Java EE: Helen:Houston][Java ME: Jessy:Chicago, Java ME: Mark:Chicago]
- C. A compilation error occurs.
- D. [Java ME: Jessy:Chicago, Java ME: Mark:Chicago][Java EE: Helen:Houston]
Correct Answer: A 🗳️
Given the code fragment:
Which code fragment, when inserted at line 7, enables printing 100?
- A. IntFunction funRef = e -> e + 10;Integer result = funRef.apply (10);
- B. Function<Integer> funRef = e -> e + 10;Integer result = funRef.apply(value);
- C. ToIntFunction funRef = e -> e + 10;int result = funRef.apply (value);
- D. ToIntFunction<Integer> funRef = e -> e + 10;int result = funRef.applyAsInt (value);
Correct Answer: B 🗳️
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