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: Aug 01, 2026
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Question 1

Given code of Test.java file: 

1. package com.udayan.ocp;

2.  

3. import java.util.stream.Stream;

4.  

5. public class Test {

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

7.         System.out.println(Stream.of(10, 0, -10).sorted().findAny().orElse(-1));

8.     }

9. }

Which of the following statements are true about the execution of Test class?

Select 2 options.


Answer: A,B
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


Answer: C
Question 3

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 4

Given code of Test.java file: 

1. package com.udayan.ocp;

2.  

3. import java.util.Arrays;

4. import java.util.List;

5. import java.util.ListIterator;

6.  

7. public class Test {

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

9.         List list = Arrays.asList("T", "S", "R", "I", "F");

10.         ListIterator iter = list.listIterator(2);

11.         while(iter.hasNext()) {

12.             System.out.print(iter.next());

13.         }

14.     }

15. }

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


Answer: B
Question 5

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?


Answer: D
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Total 469 Questions | Updated On: Aug 01, 2026
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