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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 Question Stats
23.04.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

Which is the output of the following code?

329 answers
294 good - 35 bad
 
23.04.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

What will this code do? 

438 answers
382 good - 56 bad
 
08.04.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

Test

110 answers
75 good - 35 bad
 
23.04.2019
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...

630 answers
591 good - 39 bad
 
09.04.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

Test 3

456 answers
173 good - 283 bad
 
23.04.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

What does the following code do?

733 answers
538 good - 195 bad
 
09.04.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

Test 2

914 answers
843 good - 71 bad
 
23.04.2019
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...

532 answers
217 good - 315 bad
 
16.04.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Algorithmic

Test up service

512 answers
462 good - 50 bad
 
23.04.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

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

310 answers
71 good - 239 bad
 
23.04.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

What is the output of this code? 

307 answers
285 good - 22 bad
 
23.04.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

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

788 answers
418 good - 370 bad
 
23.04.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

What is the output of this code? 

825 answers
301 good - 524 bad
 
23.04.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

What will the following code print?

188 answers
146 good - 42 bad
 
23.04.2019
Abraham Otero
Associate Professor at Universidad CEU San Pablo
Java

What is the output of this code?

340 answers
131 good - 209 bad
 
26.03.2018
Adrien Dessilly
Project manager at Civadis
Java

What will be the output :

227 answers
57 good - 170 bad
 
26.03.2018
Adrien Dessilly
Project manager at Civadis
Java
public class Main {
    public static void main(String[] args) {
211 answers
101 good - 110 bad
 
26.03.2018
Adrien Dessilly
Project manager at Civadis
Java

What will be the output ?

377 answers
205 good - 172 bad
 
26.03.2018
Adrien Dessilly
Project manager at Civadis
Java

What will be the output of:

349 answers
81 good - 268 bad
 
26.03.2018
Adrien Dessilly
Project manager at Civadis
Java
abstract class TestInterface {
214 answers
71 good - 143 bad
 
26.03.2018
Adrien Dessilly
Project manager at Civadis
Java

What will be the output :

420 answers
176 good - 244 bad
 
26.03.2018
Adrien Dessilly
Project manager at Civadis
Java

What will be the output :

267 answers
63 good - 204 bad
 
26.03.2018
Adrien Dessilly
Project manager at Civadis
Java
class Foo implements AutoCloseable {
    @Override
445 answers
138 good - 307 bad
 
26.03.2018
Adrien Dessilly
Project manager at Civadis
Java

What will be the output :

389 answers
216 good - 173 bad
 
26.03.2018
Adrien Dessilly
Project manager at Civadis
Java

Java stores strings internally in which charset ?

419 answers
144 good - 275 bad
 
26.03.2018
Adrien Dessilly
Project manager at Civadis
Java
class Test {
    private static Test instance = null;
404 answers
323 good - 81 bad
 
26.03.2018
Adrien Dessilly
Project manager at Civadis
Java

What will be the output :

413 answers
110 good - 303 bad
 
26.03.2018
Adrien Dessilly
Project manager at Civadis
Java
abstract class AbstractTest {
    public String hello = "Hello John";
211 answers
104 good - 107 bad
 
11.02.2019
Agne Brilingaite
Associate Professor at Vilnius University
Computer programming

Let us assume the following function:

626 answers
327 good - 299 bad
 
11.02.2019
Agne Brilingaite
Associate Professor at Vilnius University
Data structures

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

349 answers
335 good - 14 bad