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EXPERTY DESIGNED 1Z0-809 PRACTICE TEST

Oracle 1Z0-809 Exam Questions
Total Questions: 469
Java SE 8 Programmer II
Updated On: Nov 24, 2025
Page : 1-47
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 the code fragments:

Untitled1-page69-image83
and
Untitled1-page69-image88
What is the result?

Options :
Answer: D
Question 3

Given the code fragment:

Untitled1-page69-image50
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?

Options :
Answer: B
Question 4

Given code of Test.java file: 

1. package com.udayan.ocp;

2.  

3. public class Test {

4.     private static void m1() throws Exception {

5.         throw new Exception();

6.     }

7.  

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?

Options :
Answer: D
Question 5

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
Page : 1-47

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