Free Oracle 1Z0-809 Exam Questions

Become Oracle Certified with updated 1Z0-809 exam questions and correct answers

Page: 1 / 94

Total 469 Questions | Updated On: Jan 15, 2026

Add To Cart

Question 1

F: is accessible for reading and below is the directory structure for F:

1. F:.

2. └───A

3. └───B

4. └───C

5. Book.java

'Book.java' file is available under 'C' directory.

Given code of Test.java file:

1. package com.udayan.ocp;

3. import java.nio.file.Path;

4. import java.nio.file.Paths;

6. public class Test {

7. public static void main(String[] args) {

8. Path file = Paths.get("F:\\A\\B\\Book.java");

9. System.out.println(file.toAbsolutePath());

10. }

11. }

What will be the result of compiling and executing Test class?

A : F:\A\B\Book.java

B : FileNotFoundException is thrown at runtime.

C : NoSuchFileException is thrown at runtime.

D : Book.java

Answer: A

Question 2

Given the code fragment:

9. Connection conn = DriveManager.getConnection(dbURL, userName, passWord);

10. String query = “SELECT id FROM Employee”;

11. try (Statement stmt = conn.createStatement()) {

12. ResultSet rs = stmt.executeQuery(query);

13. stmt.executeQuery(“SELECT id FROM Customer”);

14. while (rs.next()) {

15. //process the results

16. System.out.println(“Employee ID: “+ rs.getInt(“id”));

17. }

18. } catch (Exception e) {

19. System.out.println (“Error”);

20. }

Assume that:

The required database driver is configured in the classpath.

The appropriate database is accessible with the dbURL, userName, and passWord exists.

The Employee and Customer tables are available and each table has id column with a few records and

the SQL queries are valid.

What is the result of compiling and executing this code fragment?

A : The program prints employee IDs.

B : The program prints customer IDs

C : The program prints Error

D : compilation fails on line 13.

Answer: C

Question 3

Given code of Test.java file:

1. package com.udayan.ocp;

3. import java.time.*;

5. public class Test {

6. public static void main(String [] args) {

7. System.out.println(Duration.ofDays(-2));

8. }

9. }

What will be the result of compiling and executing Test class?

A : PT48H

B : P-2D

C : P2D

D : PT-48H

Answer: D

Question 4

Given code of Test.java file:

1. package com.udayan.ocp;

3. public class Test {

4. private static String msg = "Hello";

6. private static String changeMsg(String m) {

7. msg = m;

8. return null;

9. }

10.

11. public static void main(String[] args) {

12. if(args.length == 0) {

13. assert false : changeMsg("Bye");

14. }

15. System.out.println(msg);

16. }

17. }

What will be the result of executing Test class with below command?

java -ea com.udayan.ocp.Test

A : Bye

B : Hello

C : AssertionError is thrown at runtime and program terminates abruptly

Answer: C

Question 5

Given code of Test.java file:

1. package com.udayan.ocp;

3. import java.util.Arrays;

4. import java.util.List;

5. import java.util.ListIterator;

7. public class Test {

8. public static void main(String[] args) {

9. List list = Arrays.asList("T", "S", "R", "I", "F");

10. ListIterator iter = list.listIterator(2);

11. while(iter.hasNext()) {

12. System.out.print(iter.next());

13. }

14. }

15. }

What will be the result of compiling and executing Test class?

A : IF

B : RIF

C : Runtime Exception

Answer: B

Page: 1 / 94

Total 469 Questions | Updated On: Jan 15, 2026

Add To Cart