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How to become an EDITx Author?

Let us show you the magic of creating questions for hundreds of IT lovers

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
26.03.2018
Peter Lawrey
Java Champion, Blogger, Speaker & CEO at Higher Frequency Trading Ltd
Java

You can write

Class clazz = void.class;

987 answers
295 good - 692 bad
 
09.04.2018
Peter Lawrey
Java Champion, Blogger, Speaker & CEO at Higher Frequency Trading Ltd
Java

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

130 answers
14 good - 116 bad
 
26.03.2018
Peter Lawrey
Java Champion, Blogger, Speaker & CEO at Higher Frequency Trading Ltd
Java

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

736 answers
289 good - 447 bad
 
26.03.2018
Peter Lawrey
Java Champion, Blogger, Speaker & CEO at Higher Frequency Trading Ltd
Java

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

606 answers
188 good - 418 bad
 
26.03.2018
Peter Lawrey
Java Champion, Blogger, Speaker & CEO at Higher Frequency Trading Ltd
Java

Creating this array

706 answers
28 good - 678 bad
 
26.03.2018
Peter Lawrey
Java Champion, Blogger, Speaker & CEO at Higher Frequency Trading Ltd
Java

You can write

synchronized (new int[0]) { }

however you shouldn't because

813 answers
490 good - 323 bad
 
26.03.2018
Peter Lawrey
Java Champion, Blogger, Speaker & CEO at Higher Frequency Trading Ltd
Java

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

238 answers
83 good - 155 bad
 
05.04.2018
Peter Lawrey
Java Champion, Blogger, Speaker & CEO at Higher Frequency Trading Ltd
Java

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

139 answers
8 good - 131 bad
 
26.03.2018
Peter Lawrey
Java Champion, Blogger, Speaker & CEO at Higher Frequency Trading Ltd
Java

The following prints

534 answers
53 good - 481 bad
 
05.04.2018
Peter Lawrey
Java Champion, Blogger, Speaker & CEO at Higher Frequency Trading Ltd
Java

The following statement:

142 answers
48 good - 94 bad
 
26.03.2018
Peter Lawrey
Java Champion, Blogger, Speaker & CEO at Higher Frequency Trading Ltd
Java

The following:

615 answers
557 good - 58 bad
 
26.03.2018
Peter Lawrey
Java Champion, Blogger, Speaker & CEO at Higher Frequency Trading Ltd
Java

The following

571 answers
36 good - 535 bad
 
26.03.2018
Peter Lawrey
Java Champion, Blogger, Speaker & CEO at Higher Frequency Trading Ltd
Java
String s = null;
int i = 0;
try {
    for (i = 1; i <= 64; i++) {
706 answers
579 good - 127 bad
 
26.03.2018
Peter Lawrey
Java Champion, Blogger, Speaker & CEO at Higher Frequency Trading Ltd
Java

You can write

646 answers
462 good - 184 bad