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Oracle 1z1-809 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java SE 8 Programmer II |
| Exam Number: | 1Z0-809 |
| Exam Duration: | 120 minutes |
| Available Languages: | English, Simplified Chinese, Japanese |
| Real Exam Qty: | 68 |
| Related Certifications: | Oracle Certified Associate, Java SE 8 Programmer |
| Exam Price: | USD $245 |
| Passing Score: | 65% |
| Certificate Validity Period: | Does not expire |
| Exam Format: | Multiple Select, Multiple Choice |
| Recommended Training: | Java SE 8 Programmer II Exam Preparation Seminar Java SE 8 Programming II |
| Exam Registration: | Pearson VUE Registration Oracle University Exam Purchase |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | Must pass 1Z0-808 (Java SE 8 Programmer I) to earn the certification |
| Official Syllabus URL: | https://education.oracle.com/java-se-8-programmer-ii/pexam_1Z0-809 |
Oracle 1z1-809 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java Class Design | 15% | - Implement encapsulation - Override hashCode, equals, and toString methods - Implement polymorphism - Use static keyword in blocks, variables, methods, classes - Implement inheritance including visibility modifiers and composition - Create singleton and immutable classes |
| Topic 2: JDBC | 5% | - Process resultsets - Connect to database - Execute queries and updates |
| Topic 3: Localization | 5% | - Work with resource bundles - Use Locale class - Format numbers, dates, messages |
| Topic 4: Lambda Expressions and Functional Interfaces | 15% | - Use method references - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use primitive and binary variants of functional interfaces - Create and use lambda expressions |
| Topic 5: Generics and Collections | 15% | - Use Collections Framework: List, Set, Map, Queue - Sort and search collections - Use generic classes, interfaces, and methods - Analyze type safety and type erasure |
| Topic 6: Java Stream API | 15% | - Work with Optional class - Describe Stream interface and pipeline - Use terminal operations: collect, reduce, count - Filter, map, and process streams |
| Topic 7: Java I/O and NIO.2 | 8% | - Stream operations on files - Read/write with java.io API - Use Path, Files, FileSystem API |
| Topic 8: Java SE 8 Date/Time API | 7% | - Use LocalDate, LocalTime, LocalDateTime, Instant - Format and parse dates/times - Work with Period, Duration, time zones |
| Topic 9: Concurrency | 12% | - Create threads: Thread class, Runnable, ExecutorService - Use java.util.concurrent components - Use Executors, Callable, Future - Control thread lifecycle and synchronization |
| Topic 10: Advanced Java Class Design | 10% | - Use enumerated types - Use final keyword - Use abstract classes and methods - Create inner classes: static, local, nested, anonymous |
| Topic 11: Exceptions and Assertions | 8% | - Use try-catch, multi-catch, finally - Create custom exceptions - Use assertions - Use try-with-resources |
Oracle Java SE 8 Programmer II: Frequently Asked Questions
The 1z1-809 exam leads to the Oracle Certified Professional, Java SE 8 Programmer certification from Oracle. It is positioned at the Professional level. The exam validates the knowledge and skills expected of candidates preparing for Oracle Java SE 8 Programmer II.
Related certifications include:
- Oracle Certified Associate, Java SE 8 Programmer
The 1z1-809 exam includes 68 questions and allows 120 minutes. Before test day, divide the available time by the number of questions in a timed practice set to establish a steady per-question pace. If a difficult item starts consuming too much time, mark it for review and move forward instead of losing momentum. A full timed practice session can help you decide when to move on, when to return, and how much buffer to reserve for a final check.
The passing score for 1z1-809 is 65%, and the official exam fee is USD $245. Because a retake requires paying the exam fee again, use timed practice results as a readiness check before scheduling your next attempt. If your performance remains inconsistent, continue reviewing weak domains and repeat a timed session before booking the exam.
Must pass 1Z0-808 (Java SE 8 Programmer I) to earn the certification
Eligibility rules can change, so confirm the current requirements on the official exam page before registering.
You can register through the official channels listed below:
The available exam delivery method is Online proctored or onsite at Pearson VUE test centers.
The official training options include:
After reviewing the recommended training, reinforce what you learned with Actual4dump's 209 practice questions for 1z1-809.
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If you purchase the corresponding 1z1-809 preparation material and do not pass that exam within 60 days of purchase, you may apply for a full refund under the 100% Money Back Guarantee. The request requires a scanned exam enrollment slip and the official Score Report PDF, submitted within two days after the exam. Eligible requests are processed within seven days.
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The current 1z1-809 outline is organized into 11 top-level domains. The first listed areas include:
- Java Stream API (15%)
- Java I/O and NIO.2 (8%)
- JDBC (5%)
Review the Exam Topics section above for the complete outline and any nested subtopics.
Oracle Java SE 8 Programmer II Sample Questions:
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. {EUROPE = [Germany, Italy], ASIA = [Japan]}
- C. {EUROPE = [Italy, Germany], ASIA = [Japan]}
- D. {ASIA = [Japan], EUROPE = [Italy, Germany]}
Correct Answer: D 🗳️
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 (o2); } } ); treeMap.putAll (unsortMap); for (Map.Entry<Integer, String> entry : treeMap.entrySet () ) { System.out.print (entry.getValue () + " ");
}
}
}
What is the result?
- A. A compilation error occurs.
- B. d b e z j
- C. z b d e j
- D. j z e b d
Correct Answer: C 🗳️
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 FuelNotAvailException {//line n2
super ride ();
}
}
and the code fragment:
public static void main (String[] args) throws Exception {
Vehicle v = new SolarVehicle ();
v.ride();
}
Which modification enables the code fragment to print Happy Journey!?
- A. Replace line n1 with protected void ride() throws Exception {
- B. Replace line n1 with public void ride() throws FuelNotAvailException {
- C. Replace line n2 with private void ride() throws FuelNotAvailException {
- D. Replace line n2 with void ride() throws Exception {
Correct Answer: D 🗳️
Given:
and the code fragment:
Which definition of the ColorSorter class sorts the blocks list?
- A.
- B.
- C.
- D.
Correct Answer: C 🗳️
Given:
public class Canvas implements Drawable {
public void draw () { }
}
public abstract class Board extends Canvas { }
public class Paper extends Canvas {
protected void draw (int color) { }
}
public class Frame extends Canvas implements Drawable {
public void resize () { }
}
public interface Drawable {
public abstract void draw ();
}
Which statement is true?
- A. Frame does not compile.
- B. Drawable does not compile.
- C. All classes compile successfully.
- D. Board does not compile.
- E. Paper does not compile.
Correct Answer: C 🗳️
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