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Free Oracle 1Z0-809 Exam Practice Questions

The new Oracle 1Z0-809 exam questions cover real topics from the latest Java SE 8 Programmer II release. Each question helps you review dificult key areas and understand how the Oracle Java system works in real scenarios. Practice regularly with updated version of 1Z0 809 dumps, focus on weak points, prepare for your desired test effectively and pass your Oracle certification exam confidently on your first try.

Exam Code: 1Z0-809
Exam Questions: 469
Java SE 8 Programmer II
Updated: 06 Jan, 2026
Viewing Page : 1 - 47
Practicing : 1 - 5 of 469 Questions
Question 1

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?

Options :
Answer: A
Question 2

Given code of Test.java file: 

1. package com.udayan.ocp;

2.  

3. public class Test {

4.     private static String msg = "Hello";

5.  

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

Options :
Answer: C
Question 3

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 () < 6) {
 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?

Options :
Answer: B
Question 4

Given the code fragment:
Untitled1-page69-image35
What is the result?

Options :
Answer: A
Question 5

Given the code fragment:
Stream<Path> files = Files.walk(Paths.get(System.getProperty(“user.home”)));
 files.forEach (fName -> { //line n1
 try {
 Path aPath = fName.toAbsolutePath(); //line n2
 System.out.println(fName + “:”
 + Files.readAttributes(aPath,
Basic.File.Attributes.class).creationTime
());
 } catch (IOException ex) {
 ex.printStackTrace();
 });
What is the result?

Options :
Answer: A
Viewing Page : 1 - 47
Practicing : 1 - 5 of 469 Questions
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