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

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 code of Test.java file:

1. package com.udayan.ocp;

3. public class Test {

4. private static void m1() throws Exception {

5. throw new Exception();

6. }

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

9. try {

10. m1();

11. } finally {

12. System.out.println("A");

13. }

14. }

15. }

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

A : A is printed to the console and program ends normally

B : A is printed to the console, stack trace is printed and then program ends normally

C : A is printed to the console, stack trace is printed and then program ends abruptly

D : Compilation error

Answer: D

Question 3

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

1. package com.udayan.ocp;

3. class X {

4. class Y {

5. private void m() {

6. System.out.println("INNER");

7. }

8. }

10. public void invokeInner() {

11. Y obj = new Y(); //Line 9

12. obj.m(); //Line 10

13. }

14. }

15.

16. public class Test {

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

18. new X().invokeInner();

19. }

20. }

A : Compilation error at Line 9 as instance of outer class (X) is needed to create the instance of inner class (Y)

B : Compilation error at Line 10 as private method m() cannot be invoked outside the body of inner class (Y)

C : INNER

D : Exception is thrown at runtime

Answer: C

Question 4

Given the code fragment:

You have been asked to define the ProductCode class. The definition of the ProductCode class must

allow c1 instantiation to succeed and cause a compilation error on c2 instantiation.

Which definition of ProductCode meets the requirement?

A :

B :

C :

D :

Answer: B

Question 5

Given:

public class Counter {

public static void main (String[ ] args) {

int a = 10;

int b = -1;

assert (b >=1) : “Invalid Denominator”;

int с = 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.

Answer: A

Page: 1 / 94

Total 469 Questions | Updated On: Feb 10, 2026

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