TechnologyProfessionTest
Sort by
Newest
Most popular
Last review
Filter by
Published
3889
To review
13
TechnologyProfessionTest
Sort by
Newest
Most popular
Last review
Filter by
Published
3889
To review
13
44 questions
Hard
13 votes860 runs0 comment
Easy
7 votes858 runs0 comment
Can a class implements several interfaces ?
Anonymous authorat Mar 28, 2022
Medium
4 votes650 runs0 comment
Medium
3 votes772 runs2 comments
Medium
3 votes415 runs0 comment
Medium
2 votes805 runs3 comments
In this code, the class B extends the class A. The class B overrides the method talk() from the class A. The object b is an instance of the class B. The object a is an instance of the class A. The object a is assigned to the object b. The object a calls the method talk(). The method talk() from the class B is called.
Anonymous authorat Mar 28, 2023
Medium
2 votes753 runs0 comment
Hard
2 votes743 runs2 comments
What does the following code return ? public class A { public void talk() { echo "I am A" } public secretTalk() { this.talk() } } public class B extends A { private void talk() { echo "I am B" } public secretTalk() { this.talk() } } A b = new B() b.talk() b.secretTalk() Answer : "I am A" "I am B"
Anonymous authorat Mar 28, 2022
Easy
2 votes695 runs0 comment
Medium
2 votes217 runs0 comment
Easy
1 vote692 runs0 comment
Easy
1 vote691 runs0 comment
Easy
1 vote218 runs0 comment
Easy
1 vote216 runs0 comment
Medium
1 vote213 runs0 comment