Samuel contributions

80 questions

Hard

8 votes550 runs0 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

7 votes570 runs0 comment

Inheritance in OOP.

IT Architect

OOP

inheritance

methods

at Mar 28, 2022

Easy

4 votes561 runs0 comment

Can a class implements several interfaces ?

IT Architect

OOP

interfaces

inheritance

at Mar 28, 2022

Medium

4 votes536 runs1 comment

When can you do a+b in OOP ?

IT Architect

OOP

operator overloading

classes

at Mar 28, 2022

Hard

4 votes178 runs0 comment

Write a C++ class with a constructor that takes two arguments.

Back-end developer

constructor

inheritance

at Mar 28, 2022

Hard

3 votes337 runs0 comment

Which statement concerning constructors is false ?

Back-end developer

constructors

attributes

at Mar 28, 2022

Medium

2 votes486 runs0 comment

Explain the difference between overriding and overloading in OOP.

IT Architect

OOP

methods

inheritance

at Mar 28, 2022

Easy

2 votes265 runs0 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 vote520 runs2 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

Expert

1 vote481 runs1 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

Easy

1 vote451 runs0 comment

How to apply the principle of encapsulation in OOP?

IT Architect

OOP

encapsulation

visibility

at Mar 28, 2022

Medium

1 vote450 runs0 comment

Overloading an operator in OOP

IT Architect

OOP

operators

classes

at Mar 28, 2022

Medium

1 vote283 runs1 comment

The operator + has been defined for Complexe objects thanks to an intern overloading.

Back-end developer

operators

overloading

at Mar 5, 2024

Medium

1 vote270 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

Expert

1 vote261 runs0 comment

Write a C++ program that uses static variables.

Back-end developer

static

constructor

destructor

at Mar 28, 2022

Medium

1 vote258 runs0 comment

Which statement concerning the line ": rectangle(h, l), couleur(c)" is true ? class Rectangle {...} class Couleur {...} class RectangleColore { RectangleColore(double h, double l, Couleur c) : rectangle(h, l), couleur(c) {...} private: Rectangle rectangle; Couleur couleur; }

Back-end developer

constructors

initializer list

at Mar 28, 2022

Hard

1 vote255 runs0 comment

In C++, it is possible to give a default value to a parameter of a function and two functions can have the same name if their signatures are different but not only different on the return type.

Back-end developer

functions

parameters

return type

at Mar 28, 2022

Easy

1 vote251 runs0 comment

Write a C++ program that displays a memory address.

Back-end developer

memory

pointers

at Mar 28, 2022

Easy

1 vote250 runs0 comment

Write a C++ program to add two complex numbers.

Back-end developer

operators

classes

at Mar 28, 2022

Easy

1 vote248 runs0 comment

Print the message 'n = 10' in C++

Back-end developer

cout

iostream

at Mar 28, 2022

Samuel