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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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Post date Author Category Question Stats
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...

409 answers
124 good - 285 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which of these isn't an Error?

201 answers
59 good - 142 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which following keyword is closely associated with Exception Handling?

429 answers
358 good - 71 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

DataInputStream extends

218 answers
39 good - 179 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

How to prevent a class from being inherited?

304 answers
108 good - 196 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Difference between overloading and overriding?

340 answers
128 good - 212 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

What will be the output of:

412 answers
306 good - 106 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

What will be the output :

385 answers
204 good - 181 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

What is the difference between StringBuilder and StringBuffer?

224 answers
123 good - 101 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 »?

313 answers
165 good - 148 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?

389 answers
318 good - 71 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

java.util.Collections is a

240 answers
146 good - 94 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Analyze the following code:

229 answers
98 good - 131 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which statement is static and synchronized in JDBC API

222 answers
142 good - 80 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

396 answers
348 good - 48 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which of these is an incorrect Statement?

391 answers
188 good - 203 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which of these statements are correct?

214 answers
65 good - 149 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

What is the numerical range of a char?

408 answers
153 good - 255 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which method returns the hash code ?

223 answers
176 good - 47 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

HashMap implements

391 answers
249 good - 142 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which of these interfaces doesn't extend DataOutput interface?

357 answers
80 good - 277 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

Which is a valid keyword in java?

432 answers
280 good - 152 bad
 
26.03.2018
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium
Java

What is dead thread in java ?

231 answers
122 good - 109 bad