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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
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which of these is an incorrect Statement?

359 answers
173 good - 186 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

java.util.Collections is a

231 answers
144 good - 87 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which of these statements are correct?

201 answers
63 good - 138 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which of these keywords is not a part of exception handling?

368 answers
303 good - 65 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Analyze the following code:

215 answers
91 good - 124 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which of these classes can generate a list which can increase and decrease in size automatically...

375 answers
114 good - 261 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

How to prevent a class from being inherited?

285 answers
99 good - 186 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

What is dead thread in java ?

219 answers
114 good - 105 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which following keyword is closely associated with Exception Handling?

400 answers
336 good - 64 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which of these isn't an Error?

187 answers
55 good - 132 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which statement is static and synchronized in JDBC API

212 answers
136 good - 76 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

What will be the output :

355 answers
188 good - 167 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

HashMap implements

364 answers
234 good - 130 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

What is the meaning of this error « Unsupported major.minor version 51.0 »?

290 answers
150 good - 140 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

What is the difference between StringBuilder and StringBuffer?

215 answers
118 good - 97 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which method returns the hash code ?

211 answers
165 good - 46 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

What will be the output of:

380 answers
280 good - 100 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

What is the numerical range of a char?

378 answers
144 good - 234 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Difference between overloading and overriding?

312 answers
112 good - 200 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which of the following command is used to compile the Java program

372 answers
325 good - 47 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which is a valid keyword in java?

400 answers
259 good - 141 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which of these interfaces doesn't extend DataOutput interface?

325 answers
66 good - 259 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

DataInputStream extends

204 answers
37 good - 167 bad