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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
String s = null;
int i = 0;
try {
    for (i = 1; i <= 64; i++) {
526 answers
147 good - 379 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

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

619 answers
16 good - 603 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

Creating this array

515 answers
496 good - 19 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

You can write

synchronized (new int[0]) { }

however you shouldn't because

146 answers
21 good - 125 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

You can write

Class clazz = void.class;

735 answers
10 good - 725 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:

768 answers
169 good - 599 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

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

281 answers
92 good - 189 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

The following prints

249 answers
121 good - 128 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

The following

553 answers
156 good - 397 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

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

133 answers
123 good - 10 bad
 
21.08.2019
Peter Lawrey
CEO at Chronicle Software
Java

You can write

619 answers
283 good - 336 bad