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Free 1Z0-809 Exam Questions with First Attempt Pass Assurance

Question 1

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?

Options :

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 2

Given code of Test.java file:

1. package com.udayan.ocp;

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?

Options :

A : AE

B : RE

C : Compilation error

D : Program ends abruptly

Answer: A

Question 3

Given the code fragment:

Assume that:

The required database driver is configured in the classpath.

The appropriate database is accessible with the dbURL, userName, and passWord exists

The Employee table has a column ID of type integer and the SQL query matches one record.

What is the result?

Options :

A :

Compilation fails at line 14.

B :

Compilation fails at line 15.

C :

The code prints the employee ID.

D : The code prints Error.

Answer: A

Question 4

Assume that proper import statements are available, and 'fr' is the language code for French language.

And you have the following code snippet:

Locale [] loc = Locale.getAvailableLocales();

Which of the following statements will print all the supported (by the JVM) French Language Locale on to the console?

Select 2 options.

Options :

A : Arrays.stream(loc).filter(x -> x.getLanguage().contains("FR")).forEach(System.out::println);

B : Arrays.stream(loc).filter(x -> x.toString().contains("FR")).forEach(System.out::println);

C : Arrays.stream(loc).filter(x -> x.getLanguage().equals("fr")).forEach(System.out::println);

D : Arrays.stream(loc).filter(x -> x.toString().startsWith("fr")).forEach(System.out::println);

E : Arrays.stream(loc).filter(x -> x.startsWith("fr")).forEach(System.out::println);

Answer: C,D

Question 5

Given code of Test.java file:

1. package com.udayan.ocp;

3. import java.util.stream.Stream;

5. public class Test {

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

7. Stream stream = Stream.of("d", "cc", "bbb", "aaaa");

8. stream.sorted().forEach(System.out::println);

9. }

10. }

Which of the following needs to be done, so that output is:

bbb

aaaa

Options :

A : No need to make any changes, on execution given code prints expected result

B : Replace stream.sorted() with stream.sorted((s1,s2) -> s1.length() - s2.length())

C : Replace stream.sorted() with stream.sorted((s1,s2) -> s2.length() - s1.length())

Answer: B

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