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: Nov 26, 2025

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Question 1

Given the content of Operator.java, EngineOperator.java, and Engine.java files:

and the code fragment:

What is the result?

A : The Engine.java file fails to compile

B : The EngineOperator.java file fails to compile

C : The Operator.java file fails to compile

D : ON OFF

Answer: A

Question 2

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 3

Given:

From what threading problem does the program suffer?

A : race condition

B : deadlock

C : starvation

D : livelock

Answer: B

Question 4

Given the code fragment:

Path p1 = Paths.get(“/Pics/MyPic.jpeg”);

System.out.println (p1.getNameCount() +

“:” + p1.getName(1) +

“:” + p1.getFileName());

Assume that the Pics directory does NOT exist.

What is the result?

A : An exception is thrown at run time

B : 2:MyPic.jpeg: MyPic.jpeg

C : 3:.:MyPic.jpeg

D : 2:Pics: MyPic.jpeg

Answer: B

Question 5

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

Page: 1 / 94

Total 469 Questions | Updated On: Nov 26, 2025

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