The Oracle 1Z0-809 - Java SE 8 Programmer II exam belongs to the Oracle Java certification track and is designed for candidates who want to validate advanced Java SE 8 programming skills. It is aimed at developers and Java professionals who already understand core Java concepts and want to prove they can apply them in real development scenarios. Earning this certification can strengthen your professional profile and show that you are ready to work confidently with modern Java SE 8 features.
| # | Exam Topics | Sub-Topics | Approximate Weightage (%) |
|---|---|---|---|
| 1 | Java Class Design | Encapsulation, inheritance, polymorphism | 10% |
| 2 | Advanced Java Class Design | Nested classes, abstract classes, interfaces | 10% |
| 3 | Generics and Collections | Generic types, collection APIs, sorting | 10% |
| 4 | Lambda Built-in Functional Interfaces | Lambda syntax, Predicate, Function, Consumer | 8% |
| 5 | Java Stream API | Stream operations, filtering, mapping, reduction | 12% |
| 6 | Exceptions and Assertions | Try-catch, custom exceptions, assertions | 8% |
| 7 | Use Java SE 8 Date/Time API | LocalDate, LocalTime, formatting, time zones | 8% |
| 8 | Java I/O Fundamentals | Byte and character streams, readers, writers | 7% |
| 9 | Java File I/O (NIO.2) | Path, Files, directory operations, file attributes | 9% |
| 10 | Java Concurrency | Threads, synchronization, executor framework | 10% |
| 11 | Building Database Applications with JDBC | Connections, statements, result sets, transactions | 5% |
| 12 | Localization | Resource bundles, locales, formatting | 3% |
This exam tests more than memorization. Candidates must understand Java SE 8 language features, read code carefully, and apply concepts to solve practical programming problems. It also checks your ability to recognize correct syntax, behavior, API usage, and common edge cases across core Java topics.
QA4Exam.com provides Exam PDF content with actual questions and answers, along with an Online Practice Test designed for the Oracle 1Z0-809 exam. These materials help you experience a realistic exam simulation so you can build confidence before test day. The questions are up-to-date, the answers are verified, and the format helps you practice time management under exam-like pressure. By reviewing the dumps and taking the practice test, you can identify weak areas faster and focus your study on the topics that matter most. This combination gives you a smarter path to passing the Oracle Java SE 8 Programmer II exam on your first attempt.
This exam is for candidates pursuing the Oracle Java certification path who want to prove advanced Java SE 8 programming knowledge. It is best suited for developers who already know core Java and want to validate deeper practical skills.
Yes, it can be challenging because it tests detailed understanding of Java syntax, APIs, and behavior. Careful preparation is important if you want to score well and pass confidently.
Braindumps alone are not the best approach. You should use them as a study aid together with hands-on practice and topic review so you understand why an answer is correct, not just what the answer is.
Hands-on experience is very helpful because the exam includes practical questions that require real understanding of Java SE 8 features. Working with code improves your ability to answer scenario-based questions accurately.
QA4Exam.com dumps and the practice test are strong preparation tools, but combining them with review of the exam topics gives the best results. This helps you cover both question patterns and the underlying concepts.
The Exam PDF helps you study actual questions and answers, while the Online Practice Test lets you train in a timed environment. Together they improve accuracy, speed, and confidence, which are key for first-attempt success.
QA4Exam.com offers an Exam PDF and an Online Practice Test. This gives you both a study-friendly format and a simulation-style format for flexible preparation.
Given the code fragment:
List
System.out.println (
//line n1
);
Which code fragment must be inserted at line n1 to enable the code to print the maximum number in the nums list?
Given:
class Worker extends Thread {
CyclicBarrier cb;
public Worker(CyclicBarrier cb) { this.cb = cb; }
public void run () {
try {
cb.await();
System.out.println(''Worker...'');
} catch (Exception ex) { }
}
}
class Master implements Runnable { //line n1
public void run () {
System.out.println(''Master...'');
}
}
and the code fragment:
Master master = new Master();
//line n2
Worker worker = new Worker(cb);
worker.start();
You have been asked to ensure that the run methods of both the Worker and Master classes are executed.
Which modification meets the requirement?
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