Oracle 1z0-809 Questions Answers

Prepare for Oracle 1z0-809 with SkillCertExams

Getting 1z0-809 certification is an important step in your career, but preparing for it can feel challenging. At skillcertexams, we know that having the right resources and support is essential for success. That’s why we created a platform with everything you need to prepare for 1z0-809 and reach your certification goals with confidence.

Your Journey to Passing the Java SE 8 Programmer II 1z0-809 Exam

Whether this is your first step toward earning the Java SE 8 Programmer II 1z0-809 certification, or you're returning for another round, we’re here to help you succeed. We hope this exam challenges you, educates you, and equips you with the knowledge to pass with confidence. If this is your first study guide, take a deep breath—this could be the beginning of a rewarding career with great opportunities. If you’re already experienced, consider taking a moment to share your insights with newcomers. After all, it's the strength of our community that enhances our learning and makes this journey even more valuable.

Why Choose SkillCertExams for 1z0-809 Certification?

Expert-Crafted Practice Tests
Our practice tests are designed by experts to reflect the actual 1z0-809 practice questions. We cover a wide range of topics and exam formats to give you the best possible preparation. With realistic, timed tests, you can simulate the real exam environment and improve your time management skills.

Up-to-Date Study Materials
The world of certifications is constantly evolving, which is why we regularly update our study materials to match the latest exam trends and objectives. Our resources cover all the essential topics you’ll need to know, ensuring you’re well-prepared for the exam's current format.

Comprehensive Performance Analytics
Our platform not only helps you practice but also tracks your performance in real-time. By analyzing your strengths and areas for improvement, you’ll be able to focus your efforts on what matters most. This data-driven approach increases your chances of passing the 1z0-809 practice exam on your first try.

Learn Anytime, Anywhere
Flexibility is key when it comes to exam preparation. Whether you're at home, on the go, or taking a break at work, you can access our platform from any device. Study whenever it suits your schedule, without any hassle. We believe in making your learning process as convenient as possible.

Trusted by Thousands of Professionals
Over 10000+ professionals worldwide trust skillcertexams for their certification preparation. Our platform and study material has helped countless candidates successfully pass their 1z0-809 exam questions, and we’re confident it will help you too.

What You Get with SkillCertExams for 1z0-809

Realistic Practice Exams: Our practice tests are designed to the real 1z0-809 exam. With a variety of practice questions, you can assess your readiness and focus on key areas to improve.

Study Guides and Resources: In-depth study materials that cover every exam objective, keeping you on track to succeed.

Progress Tracking: Monitor your improvement with our tracking system that helps you identify weak areas and tailor your study plan.

Expert Support: Have questions or need clarification? Our team of experts is available to guide you every step of the way.

Achieve Your 1z0-809 Certification with Confidence

Certification isn’t just about passing an exam; it’s about building a solid foundation for your career. skillcertexams provides the resources, tools, and support to ensure that you’re fully prepared and confident on exam day. Our study material help you unlock new career opportunities and enhance your skillset with the 1z0-809 certification.

Related Exams

Oracle 1z0-809 Sample Questions

Question # 1

Given:class UserException extends Exception { }class AgeOutOfLimitException extends UserException { }and the code fragment:class App {public void doRegister(String name, int age)throws UserException, AgeOutOfLimitException {if (name.length () <= 60) {throw new UserException ();} else if (age > 60) {throw new AgeOutOfLimitException ();} else {System.out.println(“User is registered.”);}}public static void main(String[ ] args) throws UserException {App t = new App ();t.doRegister(“Mathew”, 60);}}What is the result?

A. User is registered. 
B. An AgeOutOfLimitException is thrown. 
C. A UserException is thrown. 
D. A compilation error occurs in the main method. 

Show Answer

Question # 2

What is true about the java.sql.Statement interface?

A. It provides a session with the database. 
B. It is used to get an instance of a Connection object by using JDBC drivers. 
C. It provides a cursor to fetch the resulting data. D. It provides a class for executing SQL statements and returning the results. Answer: D
D. It provides a class for executing SQL statements and returning the results. 

Show Answer

Question # 3

Given:interface Rideable {Car getCar (String name); }class Car {private String name;public Car (String name) {this.name = name;}}Which code fragment creates an instance of Car?

A. Car auto = Car (“MyCar”): : new; 
B. Car auto = Car : : new;Car vehicle = auto : : getCar(“MyCar”); 
C. Rideable rider = Car : : new;Car vehicle = rider.getCar(“MyCar”); 
D. Car vehicle = Rideable : : new : : getCar(“MyCar”); 

Show Answer

Question # 4

Given:public class Customer {private String fName;private String lName;private static int count;public customer (String first, String last) {fName = first, lName = last;++count;}static { count = 0; }public static int getCount() {return count; }}public class App {public static void main (String [] args) {Customer c1 = new Customer(“Larry”, “Smith”);Customer c2 = new Customer(“Pedro”, “Gonzales”);Customer c3 = new Customer(“Penny”, “Jones”);Customer c4 = new Customer(“Lars”, “Svenson”);c4 = null;c3 = c2;System.out.println (Customer.getCount());}}What is the result?

A. 0 
B. 2 
C. 3 
D. 4 
E. 5 

Show Answer

Question # 5

Given the code fragment:List<String> empDetails = Arrays.asList(“100, Robin, HR”,“200, Mary, AdminServices”,“101, Peter, HR”);empDetails.stream().filter(s-> s.contains(“1”)).sorted().forEach(System.out::println); //line n1What is the result?

A. 100, Robin, HR101, Peter, HR 
B. E. A compilation error occurs at line n1. 
C. 100, Robin, HR101, Peter, HR200, Mary, AdminServices 
D. 100, Robin, HR200, Mary, AdminServices101, Peter, HR 

Show Answer

Question # 6

Given the code fragment:List<String> listVal = Arrays.asList(“Joe”, “Paul”, “Alice”, “Tom”);System.out.println (// line n1);Which code fragment, when inserted at line n1, enables the code to print the count of stringelements whose length is greater than three?

A. listVal.stream().filter(x -> x.length()>3).count() 
B. listVal.stream().map(x -> x.length()>3).count() 
C. listVal.stream().peek(x -> x.length()>3).count().get() 
D. listVal.stream().filter(x -> x.length()>3).mapToInt(x -> x).count() 

Show Answer

Question # 7

Given the code fragment:BiFunction<Integer, Double, Integer> val = (t1, t2) -> t1 + t2;//line n1System.out.println(val.apply(10, 10.5));What is the result?

A. 20 
B. 20.5 
C. A compilation error occurs at line n1. 
D. A compilation error occurs at line n2. 

Show Answer

Question # 8

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. An AssertionError is thrown. 
D. A compilation error occurs. 

Show Answer

Question # 9

Given that /green.txt and /colors/yellow.txt are accessible, and the code fragment:Path source = Paths.get(“/green.txt);Path target = Paths.get(“/colors/yellow.txt);Files.move(source, target, StandardCopyOption.ATOMIC_MOVE);Files.delete(source);Which statement is true?

A. The green.txt file content is replaced by the yellow.txt file content and the yellow.txt fileis deleted. 
B. The yellow.txt file content is replaced by the green.txt file content and an exception isthrown. 
C. The file green.txt is moved to the /colors directory. 
D. A FileAlreadyExistsException is thrown at runtime. 

Show Answer

Question # 10

Given the code fragment:Path source = Paths.get (“/data/december/log.txt”);Path destination = Paths.get(“/data”);Files.copy (source, destination);and assuming that the file /data/december/log.txt is accessible and contains:10-Dec-2014 – Executed successfullyWhat is the result?

A. A file with the name log.txt is created in the /data directory and the content of the/data/december/log.txt file is copied to it. 
B. The program executes successfully and does NOT change the file system. 
C. A FileNotFoundException is thrown at run time. 
D. A FileAlreadyExistsException is thrown at run time. 

Show Answer

Question # 11

Given the code fragment:List<Integer> nums = Arrays.asList (10, 20, 8):System.out.println (//line n1);Which code fragment must be inserted at line n1 to enable the code to print the maximumnumber in the nums list?

A. nums.stream().max(Comparator.comparing(a -> a)).get() 
B. nums.stream().max(Integer : : max).get() 
C. nums.stream().max() 
D. nums.stream().map(a -> a).max() 

Show Answer

Question # 12

Given the code fragment:BiFunction<Integer, Double, Integer> val = (t1, t2) -> t1 + t2; //line n1//line n2System.out.println(val.apply(10, 10.5));What is the result?

A. 20 
B. 20.5 
C. A compilation error occurs at line n1. 
D. A compilation error occurs at line n2. 

Show Answer

Question # 13

Given the code fragment:public void recDelete (String dirName) throws IOException {File [ ] listOfFiles = new File (dirName) .listFiles();if (listOfFiles ! = null && listOfFiles.length >0) {for (File aFile : listOfFiles) {if (!aFile.isDirectory ()) {if (aFile.getName ().endsWith (“.class”))aFile.delete ();}}}}Assume that Projects contains subdirectories that contain .class files and is passed as anargument to the recDelete () method when it is invoked.What is the result?

A. The method deletes all the .class files in the Projects directory and its subdirectories. 
B. The method deletes the .class files of the Projects directory only. 
C. The method executes and does not make any changes to the Projects directory. 
D. The method throws an IOException. 

Show Answer

Question # 14

Given:final class Folder {//line n1//line n2public void open () {System.out.print(“Open”);}}public class Test {public static void main (String [] args) throws Exception {try (Folder f = new Folder()) {f.open();}}}Which two modifications enable the code to print Open Close? (Choose two.)

A. Replace line n1 with:class Folder implements AutoCloseable { 
B. Replace line n1 with:class Folder extends Closeable { 
C. Replace line n1 with:class Folder extends Exception { 
D. At line n2, insert:final void close () {System.out.print(“Close”);} 
E. At line n2, insert:public void close () throws IOException {System.out.print(“Close”);} 

Show Answer

Question # 15

Given:class Book {int id;String name;public Book (int id, String name) {this.id = id;this.name = name;}public boolean equals (Object obj) { //line n1boolean output = false;Book b = (Book) obj;if (this.id = = b.id) {output = true;}return output;}}and the code fragment:Book b1 = new Book (101, “Java Programing”);Book b2 = new Book (102, “Java Programing”);System.out.println (b1.equals(b2)); //line n2Which statement is true?

A. The program prints true. 
B. The program prints false.
C. A compilation error occurs. To ensure successful compilation, replace line n1with:boolean equals (Book obj) { 
D. A compilation error occurs. To ensure successful compilation, replace line n2with:System.out.println (b1.equals((Object) b2)); 

Show Answer

Oracle 1z0-809 Reviews