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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.

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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.

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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
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

Does a

try

section always requires a

462 answers
234 good - 228 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

synchronized static methods acquire lock on ?

222 answers
129 good - 93 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

Which of these allows duplicate elements ?

349 answers
253 good - 96 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

Is it possible to write a JVM in Java?

228 answers
123 good - 105 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

Will the following excerpt ever return true:

215 answers
76 good - 139 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

In order to do efficient asynchronous socket based communications with several parties but...

250 answers
158 good - 92 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

Will two classes loaded from the same bytecode but through independent class loaders be...

586 answers
237 good - 349 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

What is the output of:

450 answers
152 good - 298 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

What is the output of:

432 answers
354 good - 78 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

The

cause

parameter in the

230 answers
146 good - 84 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

What is the output of:

489 answers
295 good - 194 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

Is Java Turing complete?

234 answers
130 good - 104 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

Which of the following keyword is used to invoke superclass of an overriden method?

555 answers
480 good - 75 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

How many time the inner statement of

490 answers
342 good - 148 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

What is the purpose of the transient keyword in a variable declaration?

444 answers
331 good - 113 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

Using multiple inheritance in Java is...

472 answers
357 good - 115 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

While executing a Java program using the Oracle JVM, is it possible that under certain...

243 answers
114 good - 129 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

Will the instances of a class having its hashCode method returning a positive constant value be...

255 answers
117 good - 138 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

What is the value of the following expression:

621 answers
419 good - 202 bad
 
26.03.2018
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

Assuming that the JVM runs with its default settings, what is the value of

551 answers
181 good - 370 bad