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EDITx is an open IT Library of questions to share and gain knowledge. Become an EDITx author because you care: share your knowledge to fit everyone benefit with a quality IT education.

What you get...

As contributor of the IT library, you allow others to use your questions, in the same way you can make use of theirs. Nevertheless, you keep the intellectual property on your work and will be notified any time that an author is using your questions or when someone answers your questions. Moreover, your privileged status allows you to set up private and public tests, to share your questions with your students, friends, colleagues or acquaintances and to get the results in real time.

... is what you give !

To become an EDITx Author, you just need to set up 5 QCM questions, in the field of your choice, and indicate the right answer. If your questions allows a better "Education in IT for X", you will receive the status and advantages of an EDITx Author.

Post date Author Category Body Stats
21.08.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

When running MAVEN_OPTS=-Xmx128m mvn clean test with a pom.xml that has no section (using...

112 answers
14 good - 98 bad
 
21.08.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Algorithmic

Test up service

536 answers
450 good - 86 bad
 
21.08.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

What is the output of this code? 

108 answers
26 good - 82 bad
 
21.08.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

What does the following code do?

186 answers
44 good - 142 bad
 
21.08.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

What is the output of this code? 

92 answers
10 good - 82 bad
 
21.08.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

What is the output of this code?

209 answers
7 good - 202 bad
 
21.08.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

Assuming that the logging level is set to INFO, what is the difference in performance between...

130 answers
38 good - 92 bad
 
21.08.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

Test

608 answers
410 good - 198 bad
 
21.08.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

What will this code do? 

101 answers
13 good - 88 bad
 
21.08.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

Test 3

184 answers
154 good - 30 bad
 
21.08.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

There are no named parameters in Java. What is the closest alternative?

203 answers
27 good - 176 bad
 
21.08.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

Test 2

689 answers
559 good - 130 bad
 
21.08.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

Which of the following assertions is false for the JSR-330 @Inject annotation:

95 answers
27 good - 68 bad
 
21.08.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

What will the following code print?

197 answers
35 good - 162 bad
 
21.08.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

Which is the output of the following code?

454 answers
68 good - 386 bad
 
21.08.2019
Adrien Dessilly
Project manager at Civadis
Java

What will be the output :

410 answers
226 good - 184 bad
 
21.08.2019
Adrien Dessilly
Project manager at Civadis
Java
abstract class TestInterface {
231 answers
75 good - 156 bad
 
21.08.2019
Adrien Dessilly
Project manager at Civadis
Java

Java stores strings internally in which charset ?

444 answers
156 good - 288 bad
 
21.08.2019
Adrien Dessilly
Project manager at Civadis
Java
class Foo implements AutoCloseable {
    @Override
475 answers
150 good - 325 bad
 
21.08.2019
Adrien Dessilly
Project manager at Civadis
Java

What will be the output :

439 answers
119 good - 320 bad
 
21.08.2019
Adrien Dessilly
Project manager at Civadis
Java
class Test {
    private static Test instance = null;
432 answers
341 good - 91 bad
 
21.08.2019
Adrien Dessilly
Project manager at Civadis
Java

What will be the output :

246 answers
65 good - 181 bad
 
21.08.2019
Adrien Dessilly
Project manager at Civadis
Java

What will be the output ?

406 answers
222 good - 184 bad
 
21.08.2019
Adrien Dessilly
Project manager at Civadis
Java
abstract class AbstractTest {
    public String hello = "Hello John";
226 answers
115 good - 111 bad
 
21.08.2019
Adrien Dessilly
Project manager at Civadis
Java

What will be the output of:

375 answers
88 good - 287 bad
 
21.08.2019
Adrien Dessilly
Project manager at Civadis
Java

What will be the output :

448 answers
184 good - 264 bad
 
21.08.2019
Adrien Dessilly
Project manager at Civadis
Java
public class Main {
    public static void main(String[] args) {
229 answers
111 good - 118 bad
 
21.08.2019
Adrien Dessilly
Project manager at Civadis
Java

What will be the output :

276 answers
68 good - 208 bad
 
21.08.2019
Agne Brilingaite
Associate Professor at Vilnius University
Computer programming

Let us assume the following function:

230 answers
54 good - 176 bad
 
21.08.2019
Agne Brilingaite
Associate Professor at Vilnius University
Data structures

Let us assume that we have three stack data structures: A, B, and C.

831 answers
617 good - 214 bad