Online 1Z0-809 Practice Test

Question 1

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 2

Given the code fragment:

List<String> empDetails = Arrays.asList(“100, Robin, HR”,

“200, Mary, AdminServices”,

“101, Peter, HR”);

empDetails.stream()

.filter(s-> s.contains(“1”))

.sorted()

.forEach(System.out::println); //line n1

What is the result?

Options :

A : 100, Robin, HR 101, Peter, HR

B : A compilation error occurs at line n1.

C :

100, Robin, HR

101, Peter, HR

200, Mary, AdminServices

D :

100, Robin, HR

200, Mary, AdminServices

101, Peter, HR

Answer: A

Question 3

Given code of Test.java file:

package com.udayan.ocp;

import java.util.Arrays;

import java.util.List;

public class Test {

public static void main(String[] args) {

List list = Arrays.asList("A", "E", "I", "O");

list.add("U");

list.forEach(System.out::print);

}

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

Options :

A : AEIOU

B : Runtime exception

C : Compilation error

D : UAEIO

E : AEIO

Answer: B

Question 4

Given the code fragment:

Path p1 = Paths.get(“/Pics/MyPic.jpeg”);

System.out.println (p1.getNameCount() +

“:” + p1.getName(1) +

“:” + p1.getFileName());

Assume that the Pics directory does NOT exist.

What is the result?

Options :

A : An exception is thrown at run time

B : 2:MyPic.jpeg: MyPic.jpeg

C : 3:.:MyPic.jpeg

D : 2:Pics: MyPic.jpeg

Answer: B

Question 5

Which of the following code will create/return a Locale object for the JVM, on which your code is running?

Options :

A : System.getDefault();

B : Locale.getDefault();

C : Locale.getLocale();

D : Locale.getDefaultLocale();

Answer: B

EXPERTY DESIGNED 1Z0-809 PRACTICE TEST