Online 1Z0-809 Practice Test

Question 1

F: is accessible for reading and below is the directory structure for F:

1. F:.

2. └───A

3. └───B

4. └───C

5. Book.java

'Book.java' file is available under 'C' directory.

Given code of Test.java file:

1. package com.udayan.ocp;

2.

3. import java.nio.file.Path;

4. import java.nio.file.Paths;

5.

6. public class Test {

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

8. Path file = Paths.get("F:\\A\\B\\Book.java");

9. System.out.println(file.toAbsolutePath());

10. }

11. }

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

Options :

A : F:\A\B\Book.java

B : FileNotFoundException is thrown at runtime.

C : NoSuchFileException is thrown at runtime.

D : Book.java

Answer: A

Question 2

Given the code fragment:

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 :

A :

B :

C :

D :

Answer: B

Question 3

Given the code fragment:

Stream<Path> files = Files.list(Paths.get(System.getProperty(“user.home”)));

files.forEach (fName -> { //line n1

try {

Path aPath = fName.toAbsolutePath(); //line n2

System.out.println(fName + “:”

+ Files.readAttributes(aPath,

Basic.File.Attributes.class).creationTime

());

} catch (IOException ex) {

ex.printStackTrace();

});

What is the result?

Options :

A :

All files and directories under the home directory are listed along with their attributes.

B : A compilation error occurs at line n1.

C : The files and folders in the home directory are listed along with their attributes.

D : A compilation error occurs at line n2.

Answer: C

Question 4

Given:

and the code fragment:

What is the result?

Options :

A :

A compilation error occurs at line n2.

B :

A compilation error occurs because the try block doesn’t have a catch or finally block.

C : A compilation error occurs at line n1.

D :

The program compiles successfully.

Answer: B

Question 5

Given the code fragments:

and

What is the result?

Options :

A : null

B : A compilation error occurs.

C : DogCatMouse

D : [Dog, Cat, Mouse]

Answer: D

EXPERTY DESIGNED 1Z0-809 PRACTICE TEST