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Group 2@2x
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Samuel
Samuel
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80 questions
1
2
3
4
Easy
9 votes
635 runs
0 comment
Inheritance in OOP.
IT Architect
OOP
inheritance
methods
at Mar 28, 2022
Hard
9 votes
612 runs
0 comment
Overrided method visibility must be the same or less restrictive than the inherited method.
IT Architect
OOP
visibility
inheritance
at Mar 28, 2022
Easy
5 votes
625 runs
0 comment
Can a class implements several interfaces ?
IT Architect
OOP
interfaces
inheritance
at Mar 28, 2022
Medium
4 votes
594 runs
1 comment
When can you do a+b in OOP ?
IT Architect
OOP
operator overloading
classes
at Mar 28, 2022
Hard
4 votes
391 runs
0 comment
Which statement concerning constructors is false ?
Back-end developer
constructors
attributes
at Mar 28, 2022
Hard
4 votes
210 runs
0 comment
Write a C++ class with a constructor that takes two arguments.
Back-end developer
constructor
inheritance
at Mar 28, 2022
Medium
3 votes
527 runs
0 comment
Explain the difference between overriding and overloading in OOP.
IT Architect
OOP
methods
inheritance
at Mar 28, 2022
Easy
2 votes
506 runs
0 comment
Encapsulation rule in Object-Oriented Programming
IT Architect
OOP
encapsulation
classes
at Mar 28, 2022
Medium
2 votes
496 runs
0 comment
Overloading an operator in OOP
IT Architect
OOP
operators
classes
at Mar 28, 2022
Medium
2 votes
334 runs
0 comment
A child class B of an abstract class A must define the abstract methods of A.
IT Architect
OOP
abstract
class
at Mar 28, 2022
Medium
2 votes
326 runs
1 comment
The operator + has been defined for Complexe objects thanks to an intern overloading.
Back-end developer
operators
overloading
at Mar 5, 2024
Medium
2 votes
314 runs
1 comment
How to distinguish a parameter of a method from an attribute of the class in C++
Back-end developer
c++
method
attribute
at Mar 28, 2022
Easy
2 votes
307 runs
0 comment
Which type should you use to represent a data list with a length that can change ?
Back-end developer
array
vector
at Mar 28, 2022
Medium
1 vote
578 runs
2 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.
IT Architect
OOP
inheritance
polymorphism
at Mar 28, 2023
Easy
1 vote
541 runs
0 comment
How to instantiate objects with a type which is derivated from an abstract type in OOP
IT Architect
OOP
design pattern
abstract
at Mar 28, 2022
Hard
1 vote
534 runs
1 comment
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"
IT Architect
OOP
inheritance
overriding
at Mar 28, 2022
Medium
1 vote
509 runs
1 comment
What does the following code return ?
IT Architect
OOP
inheritance
access modifiers
at Mar 28, 2022
Easy
1 vote
503 runs
0 comment
Which Design Pattern should I use if I want an object to be notified when another kind of object state changed?
IT Architect
OOP
design pattern
observer
at Mar 28, 2022
Easy
1 vote
498 runs
0 comment
How to apply the principle of encapsulation in OOP?
IT Architect
OOP
encapsulation
visibility
at Mar 28, 2022
Medium
1 vote
319 runs
0 comment
What is the default visibility of class members in C++?
Back-end developer
classes
visibility
at Mar 28, 2022
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