Oracle Java SE 8 Programmer II : 1z0-809

1z0-809 Exam Simulator
  • Exam Code: 1z0-809
  • Exam Name: Java SE 8 Programmer II
  • Updated: Oct 10, 2026
  • Q & A: 209 Questions and Answers

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About Oracle 1z0-809 Exam Braindumps

Walking into the 1z0-809 exam unprepared for its pace is a risk you do not need to take. The Exam4PDF test engines recreate the pressure of the Oracle Java SE 8 Programmer II testing environment, so when exam day arrives in 2026, it feels like just another practice session.

Oracle 1z0-809 Exam Syllabus Topics:

SectionObjectives
Building Database Applications with JDBC- Database connectivity
  • 1. Execute SQL statements
  • 2. Use JDBC drivers and connections
  • 3. Process ResultSet data
Java I/O Fundamentals- Input and output
  • 1. Use serialization
  • 2. Read and write files
  • 3. Use BufferedReader and BufferedWriter
Java Class Design- Object-oriented principles
  • 1. Override equals, hashCode, and toString
  • 2. Implement inheritance and polymorphism
  • 3. Use static variables, methods, and initialization blocks
  • 4. Create singleton and immutable classes
  • 5. Implement encapsulation
Java File I/O- NIO.2 API
  • 1. Read file attributes
  • 2. Use Path and Files classes
  • 3. Traverse directory structures
Exceptions and Assertions- Error handling
  • 1. Use try-catch and try-with-resources
  • 2. Use assertions
  • 3. Create custom exceptions
Localization- Internationalization
  • 1. Format dates and numbers
  • 2. Handle localization properties
  • 3. Use Locale and ResourceBundle
Lambda Built-in Functional Interfaces- Functional programming
  • 1. Use UnaryOperator and BinaryOperator
  • 2. Use primitive functional interfaces
  • 3. Use Predicate, Consumer, Function, and Supplier
Generics and Collections- Collections framework
  • 1. Create and use generic classes
  • 2. Use Comparator and Comparable
  • 3. Use ArrayList, TreeSet, TreeMap, and ArrayDeque
  • 4. Iterate collections with Streams and forEach
Java Stream API- Stream processing
  • 1. Sort and filter data using streams
  • 2. Use Optional
  • 3. Collect and group stream results
  • 4. Use findFirst, findAny, and match methods
  • 5. Use map, flatMap, and peek
Java SE 8 Date/Time API- Date and time handling
  • 1. Format and parse date values
  • 2. Use LocalDate, LocalTime, and LocalDateTime
  • 3. Use Period and Duration
Java Concurrency- Multithreading
  • 1. Create and manage threads
  • 2. Use concurrent collections
  • 3. Use ExecutorService
  • 4. Use synchronized blocks and locks
Advanced Java Class Design- Advanced object-oriented features
  • 1. Use the final keyword
  • 2. Create nested and inner classes
  • 3. Develop Lambda expressions
  • 4. Use abstract classes and interfaces
  • 5. Use enum types

Common Questions About the Oracle 1z0-809 Exam

The 1z0-809 exam is the official Oracle exam behind the Java SE certification, validating the skills measured by the Oracle Java SE 8 Programmer II credential. It sits at the Professional level of the Oracle certification program. It also connects to Oracle Certified Professional, Java SE 8 Programmer, so the knowledge you build here carries over to those tracks as well.

The 1z0-809 exam contains 68 questions to be completed within 120 minutes. Before exam day, divide the available time by the question count to work out a comfortable per-question pace, and mark any item that eats into it so you can return later instead of getting stuck. Timed sessions in the Exam4PDF test engines make that pacing automatic — run at least two full-length mock exams under the clock so time pressure never becomes the reason you drop points.

The passing score for the 1z0-809 exam is 65%, and the official registration fee is $245 USD. Retakes are not discounted — every new attempt means paying the full fee again — so it pays to measure yourself before you book. Work through the 209 practice questions on Exam4PDF, sit a timed practice test, and schedule your exam only when your scores are consistently comfortable. That simple habit is the cheapest exam strategy there is.

Candidates must first pass Oracle Certified Associate Java SE 8 Programmer (1Z0-808). Requirements can change when Oracle revises its certification program, so confirm the current eligibility rules on the official exam page before you register.

Yes. Exam4PDF provides a free 1z0-809 PDF demo so you can review the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates — if Oracle revises the exam during that period, the updated material reaches you at no cost. Once the free-update year ends, you can extend your update service at a 50% discount.

Every Oracle Java SE 8 Programmer II purchase on Exam4PDF is covered by a 100% money-back guarantee with clear conditions: if you take the corresponding exam within 60 days of your purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip and your official score report as a PDF within two days of the exam date; claims are processed within seven days of submission. The guarantee does not apply to exams taken within three days of purchase, to material that was downloaded but never used in an exam attempt, or to free products and expired orders, and the candidate name must match the payer name. If you would rather not take a refund, you can instead exchange your purchase for two free exam preparation products of equal value and keep the update service on your original product.

Delivery is instant: your download is sent to your email within one minute of payment, with no limit on how many computers you may install the material on. If nothing arrives within two hours, check your spam folder and contact customer service for help.

The Oracle Java SE 8 Programmer II exam blueprint is organized into 12 domains. The first three are:

  • Java SE 8 Date/Time API
  • Lambda Built-in Functional Interfaces
  • Localization

For the complete domain-by-domain breakdown, scroll up to the full exam topics outline above and use it to plan how you distribute your study time.

Oracle Java SE 8 Programmer II Sample Questions:

Question #1

Given:
class FuelNotAvailException extends Exception { }
class Vehicle {
void ride() throws FuelNotAvailException {//line n1
System.out.println("Happy Journey!");
}
}
class SolarVehicle extends Vehicle {
public void ride () throws Exception {//line n2
super ride ();
}
}
and the code fragment:
public static void main (String[] args) throws FuelNotAvailException, Exception { Vehicle v = new SolarVehicle (); v.ride();
}
Which modification enables the code fragment to print Happy Journey!?

  • A. Replace line n2 with private void ride() throws FuelNotAvailException {
  • B. Replace line n1 with public void ride() throws FuelNotAvailException {
  • C. Replace line n2 with void ride() throws Exception {
  • D. Replace line n1 with protected void ride() throws Exception {
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #2

Given:
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);
}
}
What is the result of running the code with the -da option?

  • A. -10
  • B. 0
  • C. A compilation error occurs.
  • D. An AssertionError is thrown.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #3

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?

  • A. Replace line n1 with class Master extends Thread {
  • B. At line n2, insert CyclicBarrier cb = new CyclicBarrier(master);
  • C. At line n2, insert CyclicBarrier cb = new CyclicBarrier(2, master);
  • D. At line n2, insert CyclicBarrier cb = new CyclicBarrier(1, master);
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #4

Given the code fragment:

Assume that dbURL, userName, and password are valid.
Which code fragment can be inserted at line n1 to enable the code to print Connection Established?

  • A. con = DriverManager.getConnection (userName, password, dbURL);
  • B. con = DriverManager.getConnection (dbURL);con.setClientInfo ("user", userName);con.setClientInfo ("password", password);
  • C. Properties prop = new Properties();prop.put ("user", userName);prop.put ("password", password);con = DriverManager.getConnection (dbURL, prop);
  • D. Properties prop = new Properties();prop.put ("userid", userName);prop.put ("password", password); prop.put("url", dbURL);con = DriverManager.getConnection (prop);
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #5

Given that these files exist and are accessible:
/sports/info.txt
/sports/cricket/players.txt
/sports/cricket/data/ODI.txt
and given the code fragment:
int maxDepth =2;
Stream<Path> paths = Files.find(Paths.get("/sports"),
maxDepth,
(p, a) -> p.getFileName().toString().endsWith ("txt"),
FileVisitOption.FOLLOW_LINKS);
Long fCount = paths.count();
System.out.println(fCount);
Assuming that there are NO soft-link/symbolic links to any of the files in the directory structure, what is the result?

  • A. 1
  • B. An Exception is thrown at runtime.
  • C. 3
  • D. 2
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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