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How to become an EDITx Author?

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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
Annette Bieniusa
Senior researcher and lecturer at TU Kaiserslautern
Java

What does the following expression yield:

110 answers
17 good - 93 bad
 
21.08.2019
Anthony Vanelverdinghe
Java

What is the value of the following expression?

264 answers
122 good - 142 bad
 
21.08.2019
Anthony Vanelverdinghe
Java

What is the output of the following code?

156 answers
78 good - 78 bad
 
21.08.2019
Anthony Vanelverdinghe
Java

How many primitive types does Java have?

342 answers
163 good - 179 bad
 
21.08.2019
Antoine Vacavant
Associate Professor at IUT du Puy-en-Velay
Java

I need a data structure enabling both dynamic adding and random access operations.

254 answers
159 good - 95 bad
 
21.08.2019
Antoine Vacavant
Associate Professor at IUT du Puy-en-Velay
Java

I need a functional interface enabling to test if my students have a sufficient score (integer)...

279 answers
19 good - 260 bad
 
21.08.2019
Antoine Vacavant
Associate Professor at IUT du Puy-en-Velay
Java

How many instructions are valid ?

442 answers
206 good - 236 bad
 
21.08.2019
Antoine Vacavant
Associate Professor at IUT du Puy-en-Velay
Java

Find the intruder method for a correct use of Thread class:

961 answers
762 good - 199 bad
 
30.09.2019
Antoine Vacavant
Associate Professor at IUT du Puy-en-Velay
Java

May I have an object mySin from the following class outside the package com.example.editx ?

278 answers
8 good - 270 bad
 
21.08.2019
Antoine Vacavant
Associate Professor at IUT du Puy-en-Velay
Java

Suppose two integers a and b declared and assigned. Select the two equivalent conditions:

226 answers
44 good - 182 bad
 
21.08.2019
Antoine Vacavant
Associate Professor at IUT du Puy-en-Velay
Java

How many errors can you detect in this code (1 missing or wrong symbol = 1 error) ?

220 answers
27 good - 193 bad
 
21.08.2019
Antoine Vacavant
Associate Professor at IUT du Puy-en-Velay
Java

I want to make my Thread wait for 5 seconds. What instruction should I write?

866 answers
552 good - 314 bad
 
30.09.2019
Antonio Filieri
Lecturer (Assistant Professor) at Imperial college london
Java
public Boolean areWeDone(boolean areWe) {
  Boolean b = true;
  try {
208 answers
65 good - 143 bad
 
21.08.2019
Antonio Filieri
Lecturer (Assistant Professor) at Imperial college london
Java
int x = 1;
System.out.println("" + x++ + x + ++x);
132 answers
35 good - 97 bad
 
21.08.2019
Antonio Filieri
Lecturer (Assistant Professor) at Imperial college london
Java
class FancyPrivate {
  public static void main(String[] args) {
124 answers
48 good - 76 bad
 
21.08.2019
Antonio Filieri
Lecturer (Assistant Professor) at Imperial college london
Java
class WhoAmI {
  public void whoAmI(int a, int b) {
    if((b=a)==(a=b...
126 answers
53 good - 73 bad
 
21.08.2019
Antonio Filieri
Lecturer (Assistant Professor) at Imperial college london
Java
public static void main(String[] args) {
115 answers
38 good - 77 bad
 
21.08.2019
Antonio Filieri
Lecturer (Assistant Professor) at Imperial college london
Java
class ToJavaOrNotToJava {

  public int amIValid(int i){
    line0: i=0;...
131 answers
19 good - 112 bad
 
21.08.2019
Antonio Filieri
Lecturer (Assistant Professor) at Imperial college london
Java
class TheReturn {
  int moreOrLessIt() {
    int x = 0;
    int y = 1;...
123 answers
49 good - 74 bad
 
21.08.2019
Antonio Filieri
Lecturer (Assistant Professor) at Imperial college london
Java
class InsideOut {
  private int theAnswer = 42;
  public class Inner {...
121 answers
28 good - 93 bad
 
21.08.2019
Antonio Filieri
Lecturer (Assistant Professor) at Imperial college london
Java

Consider the following stream:

148 answers
27 good - 121 bad
 
21.08.2019 Java

What will be the output of this method :

436 answers
9 good - 427 bad
 
21.08.2019 Java

What will be the output of :

242 answers
26 good - 216 bad
 
21.08.2019 Java

What is the output of this code ?

250 answers
136 good - 114 bad
 
21.08.2019
Aurea Muñoz
Software Engineer at Ritmx
Java

This code aims to calculate the frecuency of names from a collection of names.

716 answers
604 good - 112 bad
 
21.08.2019
Aurea Muñoz
Software Engineer at Ritmx
Java

Which is the mechanism used by @Transaction from Spring framework to work under the hood?

766 answers
378 good - 388 bad
 
21.08.2019
Aurea Muñoz
Software Engineer at Ritmx
Java

What is the output of this code?

780 answers
2 good - 778 bad
 
21.08.2019
Aurea Muñoz
Software Engineer at Ritmx
Java

What is the output of this code?

820 answers
493 good - 327 bad
 
21.08.2019
Aurélien Colmant
Maître-assistant en Informatique de Gestion at HELHa
Java

What would be the behaviour expected in a concrete subclass ?

309 answers
87 good - 222 bad
 
21.08.2019
Aurélien Colmant
Maître-assistant en Informatique de Gestion at HELHa
Java

Which one of the following instructions is correct ?

158 answers
30 good - 128 bad