Free 1Z0-809 Practice Exam Questions Online

Why Oracle 1Z0-809 Practice Exam Questions?

Ready to level up your Oracle 1Z0-809 exam study? Just TheExamsLab 1Z0-809 practice tests free.

1Z0-809 exam questions are expertly crafted practice tests designed to simulate the real Oracle certification exam environment and help you assess your knowledge and figure out where you are lacking. From our free Java SE 8 Programmer II 1Z0-809 practice exam, you will feel secure in passing any question type or time limit. TheExamsLab offers the 1Z0-809 exam questions 2024. Don’t settle or do it half-heartedly get the best and invest in the best what you want is what you get.

Page: 1 / 94

Total 469 Questions | Updated On: Nov 19, 2024

Add To Cart

Question 1

Given code of Test.java file:

1. package com.udayan.ocp;

3. public class Test {

4. private static String msg = "Hello";

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

A : Bye

B : Hello

C : AssertionError is thrown at runtime and program terminates abruptly

Answer: C

Question 2

Given code of Test.java file:

1. package com.udayan.ocp;

3. import java.util.Arrays;

4. import java.util.Comparator;

5. import java.util.List;

7. public class Test {

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

9. List list = Arrays.asList(10, 20, 8);

10.

11. System.out.println(list.stream().max(Comparator.comparing(a -> a)).get()); //Line 1

12.

13. System.out.println(list.stream().max(Integer::compareTo).get()); //Line 2

14.

15. System.out.println(list.stream().max(Integer::max).get()); //Line 3

16. }

17. }

Which of the following statement is true?

A : Line 1 and Line 3 print same output

B : Line 2 and Line 3 print same output

C : Line 1 and Line 2 print same output

D : Line 1, Line 2 and Line 3 print same output

Answer: C

Question 3

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

Question 4

Untitled1-page69-image65

What is the result?

A : A compilation error occurs at line 7.

B : 100

C : A compilation error occurs at line 8.

D : A compilation error occurs at line 15.

Answer: A

Question 5

Consider the code of Greet.java file:

1. package com.udayan.ocp;

3. public final class Greet {

4. private String msg;

5. public Greet(String msg) {

6. this.msg = msg;

7. }

9. public String getMsg() {

10. return msg;

11. }

12.

13. public void setMsg(String msg) {

14. this.msg = msg;

15. }

16. }

Is Greet class an immutable class?

A : Yes

B : No

Answer: B

Page: 1 / 94

Total 469 Questions | Updated On: Nov 19, 2024

Add To Cart