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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: Jan 15, 2026
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Question 1

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


1

and the code fragment:

2

What is the result? 

Answer: A
Question 2

Given:

3
and the code fragment:
4
What is the result?

Answer: B
Question 3

Given code of Test.java file: 

1. package com.udayan.ocp;

2.  

3. public class Test {

4.     private static void div(int i, int j) {

5.         try {

6.             System.out.println(i / j);

7.         } catch(ArithmeticException e) {

8.             throw (RuntimeException)e;

9.         }

10.     }

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

12.         try {

13.             div(5, 0);

14.         } catch(ArithmeticException e) {

15.             System.out.println("AE");

16.         } catch(RuntimeException e) {

17.             System.out.println("RE");

18.         }

19.     }

20. }

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

Answer: A
Question 4

Given:
class FuelNotAvailException extends Exception { }
class Vehicle {
 void ride() throws FuelNotAvailException { //line n1
 System.out.println(“Happy Journey!”);
 }
}
class SolarVehicle extends Vehicle {
 public void ride () throws Exception { //line n2
 super ride ();
 }
}
and the code fragment:
public static void main (String[] args) throws FuelNotAvailException, Exception
 {
 Vehicle v = new SolarVehicle ();
 v.ride();
}
Which modification enables the code fragment to print Happy Journey!?

Answer: B
Question 5

Given the code fragment:
List<String> colors = Arrays.asList(“red”, “green”, “yellow”);
Predicate<String> test = n - > {
 System.out.println(“Searching…”);
 return n.contains(“red”);
};
colors.stream()
 .filter(c -> c.length() >= 3)
 .allMatch(test);
What is the result?

Answer: C
Page:    1 / 94      
Total 469 Questions | Updated On: Jan 15, 2026
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