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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
Peter Lawrey
CEO at Chronicle Software
Java

Creating this array

671 answers
234 good - 437 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

The following statement:

142 answers
48 good - 94 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

The following

525 answers
129 good - 396 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

Which of the line A,B,C,D doesn't compile?

130 answers
14 good - 116 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

The following prints

143 answers
121 good - 22 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

The following:

543 answers
12 good - 531 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

One of these lines won't compile. Which one?

325 answers
320 good - 5 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java
String s = null;
int i = 0;
try {
    for (i = 1; i <= 64; i++) {
880 answers
135 good - 745 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

You can write

synchronized (new int[0]) { }

however you shouldn't because

793 answers
364 good - 429 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

You can write

Class clazz = void.class;

649 answers
348 good - 301 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

If you define a field in an interface e.g.

649 answers
522 good - 127 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

If x is an int type which of these expressions cannot be negative?

933 answers
451 good - 482 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

x != -x is false for which type/value?

139 answers
8 good - 131 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

You can write

511 answers
195 good - 316 bad