Free Oracle 1Z0-809 Exam Questions

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

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Total 469 Questions | Updated On: Feb 10, 2026

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Question 1

Given the code fragment:

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 table has a column ID of type integer and the SQL query matches one record.

What is the result?

A : Compilation fails at line 14.

B : Compilation fails at line 15.

C : The code prints the employee ID.

D : The code prints Error.

Answer: A

Question 2

Given code of Test.java file:

1. package com.udayan.ocp;

3. interface Printer1 {

4. default void print() {

5. System.out.println("Printer1");

6. }

7. }

9. class Printer2 {

10. public void print() {

11. System.out.println("Printer2");

12. }

13. }

14.

15. class Printer extends Printer2 implements Printer1 {

16.

17. }

18.

19. public class Test {

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

21. Printer printer = new Printer();

22. printer.print();

23. }

24. }

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

A : Printer1

B : Compilation error for Printer1

C : Compilation error for Printer

D : Printer2

E : Compilation error for Printer2

Answer: D

Question 3

Given code of Test.java file:

1. package com.udayan.ocp;

3. import java.util.stream.Stream;

5. public class Test {

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

7. Stream stream = Stream.of("d", "cc", "bbb", "aaaa");

8. stream.sorted().forEach(System.out::println);

9. }

10. }

Which of the following needs to be done, so that output is:

bbb

aaaa

A : No need to make any changes, on execution given code prints expected result

B : Replace stream.sorted() with stream.sorted((s1,s2) -> s1.length() - s2.length())

C : Replace stream.sorted() with stream.sorted((s1,s2) -> s2.length() - s1.length())

Answer: B

Question 4

Given the code fragment:

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 Exception.

D : compilation fails on line 13.

Answer: C

Question 5

Consider the code of Test.java file:

1. package com.udayan.ocp;

3. class Player {

4. String name;

5. int age;

7. Player() {

8. this.name = "Yuvraj";

9. this.age = 36;

10. }

11.

12. public String toString() {

13. return name + ", " + age;

14. }

15.

16. public Class getClass() {

17. return super.getClass();

18. }

19. }

20.

21. public class Test {

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

23. System.out.println(new Player());

24. }

25. }

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

A : Compilation error

B : Yuvraj, 36

C : null, 0

D : Text containing @ symbol

Answer: A

Page: 1 / 94

Total 469 Questions | Updated On: Feb 10, 2026

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