Oracle 1z0-809 : Java SE 8 Programmer II

1z0-809 real exams

Exam Code: 1z0-809

Exam Name: Java SE 8 Programmer II

Updated: Oct 14, 2026

Q & A: 209 Questions and Answers

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Memorizing answers is not self-improvement. The Oracle Java SE 8 Programmer II material from PassTorrent pairs 209 practice questions with comprehensive analysis, extending your perspective into 2026 and beyond.

Oracle 1z0-809 Exam Overview:

Certification Vendor:Oracle
Exam Name:Java SE 8 Programmer II
Exam Number:1Z0-809
Passing Score:65%
Exam Price:$245 USD
Exam Format:Multiple Choice
Real Exam Qty:68
Available Languages:English, Chinese Simplified
Exam Duration:120 minutes
Certificate Validity Period:Does not expire
Related Certifications:Oracle Certified Professional, Java SE 8 Programmer
Sample Questions:Free Download 1z0-809 bootcamp pdf
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:

SectionObjectives
Topic 1: Java I/O Fundamentals- Input and output
  • 1. Read and write files
  • 2. Use BufferedReader and BufferedWriter
  • 3. Use serialization
Topic 2: 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
Topic 3: Java File I/O- NIO.2 API
  • 1. Use Path and Files classes
  • 2. Traverse directory structures
  • 3. Read file attributes
Topic 4: Exceptions and Assertions- Error handling
  • 1. Create custom exceptions
  • 2. Use assertions
  • 3. Use try-catch and try-with-resources
Topic 5: Java SE 8 Date/Time API- Date and time handling
  • 1. Format and parse date values
  • 2. Use Period and Duration
  • 3. Use LocalDate, LocalTime, and LocalDateTime
Topic 6: Java Concurrency- Multithreading
  • 1. Create and manage threads
  • 2. Use ExecutorService
  • 3. Use synchronized blocks and locks
  • 4. Use concurrent collections
Topic 7: Java Stream API- Stream processing
  • 1. Use Optional
  • 2. Sort and filter data using streams
  • 3. Use map, flatMap, and peek
  • 4. Collect and group stream results
  • 5. Use findFirst, findAny, and match methods
Topic 8: Building Database Applications with JDBC- Database connectivity
  • 1. Execute SQL statements
  • 2. Process ResultSet data
  • 3. Use JDBC drivers and connections
Topic 9: Advanced Java Class Design- Advanced object-oriented features
  • 1. Use enum types
  • 2. Develop Lambda expressions
  • 3. Create nested and inner classes
  • 4. Use abstract classes and interfaces
  • 5. Use the final keyword
Topic 10: Localization- Internationalization
  • 1. Use Locale and ResourceBundle
  • 2. Format dates and numbers
  • 3. Handle localization properties
Topic 11: Java Class Design- Object-oriented principles
  • 1. Implement encapsulation
  • 2. Create singleton and immutable classes
  • 3. Override equals, hashCode, and toString
  • 4. Implement inheritance and polymorphism
  • 5. Use static variables, methods, and initialization blocks
Topic 12: Lambda Built-in Functional Interfaces- Functional programming
  • 1. Use UnaryOperator and BinaryOperator
  • 2. Use Predicate, Consumer, Function, and Supplier
  • 3. Use primitive functional interfaces

Oracle Java SE 8 Programmer II Exam FAQ — Start Here

Can I try the Oracle Java SE 8 Programmer II material free first?

Yes — the free Oracle Java SE 8 Programmer II demo lets you evaluate question quality and analyses before paying. Purchases include 365 days of free updates, renewable afterward at 50% off.

What topics are tested in the 1z0-809 exam?

The Oracle Java SE 8 Programmer II blueprint spans 12 domains — including Java File I/O, Exceptions and Assertions, Java SE 8 Date/Time API. Read the weightings as priorities: the points concentrate where the percentages do. The full outline above covers every subtopic.

What is the 1z0-809 exam, and what can it do for my career?

The Oracle Java SE 8 Programmer II is Oracle's exam for the Java SE certification, a Professional-level credential. It's a hot topic because certified candidates stand out in job competition — the credential opens possibilities that uncertified resumes can't. Related credentials include Oracle Certified Professional, Java SE 8 Programmer.

How much is the 1z0-809 exam fee, and what score do I need to pass?

$245 USD per attempt; 65% to pass. Every retake bills the full fee again, so prepare properly the first time — the 209 practice questions from PassTorrent are the affordable rehearsal.

What if I fail, and when do I receive my files?

Delivery is instant: payment triggers an automatic email within a minute, and the test engine opens easily without extra software installation. Nothing after 2 hours? Check spam and contact our round-the-clock support. If you fail the corresponding 1z0-809 exam within 60 days of purchase, we give a full refund — send a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam, processed within 7 days. Exclusions: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. Or exchange for two equal-value products free.

How long is the 1z0-809 exam, and how many questions does it include?

120 minutes for 68 questions. That's a pace you can train: run timed simulations in the PassTorrent engine until answering at speed feels normal, and use the analyses to make every wrong answer count.

Are there prerequisites for the 1z0-809 exam?

Candidates must first pass Oracle Certified Associate Java SE 8 Programmer (1Z0-808). Vendors revise eligibility rules over time, so confirm the current requirements on the official page (official 1z0-809 exam page) before you register.

Oracle Java SE 8 Programmer II Sample Questions:

Question #1

Given the code fragment:
Stream<List<String>> iStr= Stream.of (
Arrays.asList ("1", "John"),
Arrays.asList ("2", null)0;
Stream<<String> nInSt = iStr.flatMapToInt ((x) -> x.stream ());
nInSt.forEach (System.out :: print);
What is the result?

  • A. 1John2null
  • B. A compilation error occurs.
  • C. A NullPointerException is thrown at run time.
  • D. 12
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #2

Given:

Your design requires that:
* fuelLevel of Engine must be greater than zero when the start() method is invoked.
* The code must terminate if fuelLevel of Engine is less than or equal to zero.
Which code fragment should be added at line n1 to express this invariant condition?

  • A. assert (fuelLevel) : "Terminating...";
  • B. assert (fuelLevel > 0) : System.out.println ("Impossible fuel");
  • C. assert fuelLevel < 0: System.exit(0);
  • D. assert fuelLevel > 0: "Impossible fuel" ;
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #3

Given the code fragment:
public class Foo {
public static void main (String [ ] args) {
Map<Integer, String> unsortMap = new HashMap< > ( );
unsortMap.put (10, "z");
unsortMap.put (5, "b");
unsortMap.put (1, "d");
unsortMap.put (7, "e");
unsortMap.put (50, "j");
Map<Integer, String> treeMap = new TreeMap <Integer, String> (new
Comparator<Integer> ( ) {
@Override public int compare (Integer o1, Integer o2) {return o2.compareTo (o1); } } ); treeMap.putAll (unsortMap); for (Map.Entry<Integer, String> entry : treeMap.entrySet () ) { System.out.print (entry.getValue () + " ");
}
}
}
What is the result?

  • A. d b e z j
  • B. A compilation error occurs.
  • C. j z e b d
  • D. z b d e j
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #4

Given this code;

Which two are correct after this class is instantiated and tested?

  • A. If the value of i is set to 8, the value of j could be any integer value.
  • B. If the value of j is set to 15, the value of i could be any integer value.
  • C. If the value of i is set to 5, the value of j will be 1.
  • D. If the value of j is set to 5, the value of i will be 15.
  • E. If the value of i remains 3, the value of j will remain 9.
  • F. If the value of i is set to 6, the value of j will be 18.
Reveal Solution  Discussion  0

Correct Answer: C,D  🗳️

Question #5

Given the content of the employee.txt file:
Every worker is a master.
Given that the employee.txt file is accessible and the file allemp.txt does NOT exist, and the code fragment:

What is the result?

  • A. The program executes, does NOT affect the system, and produces NO output.
  • B. Exception 1
  • C. allemp.txt is created and the content of employee.txt is copied to it.
  • D. Exception 2
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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