C++ (classes quiz) First Lecture
C++ Class Fundamentals Quiz
Test your knowledge of C++ class concepts with our engaging quiz! From defining objects to understanding member fun
Features:
- 11 challenging questions
- Multiple choice format
- Immediate feedback on your answers
Q1/ How can you define the object of (Male) in the class (Human)?
Human male;
Human.male;
Male Human;
Male.human;
Q2/ It has been defined a variable of (name) inside the class (Human) and define an object (Male) so how can you enter the name inside the (Male) object
Cin << male.name;
Cin >> male.name;
Cin>> name.male;
Cin << name.male;
Q3/ Only one class can be defined in a program
Ture
False
Q4/ Only one object can be defined in each class
True
False
Q5/ By default setting the member fun
Private :
Public:
Protected:
None of these
Q6/ determine the output of the function below
#include<iostream.h>
class Empty {};
int main()
{
cout << sizeof(Empty);
return 0;
}
Non zero
Zero
Compile Error
None of above
Q7/ The error in this program is due to
#include <stdio.h> class Test { int x; // x is private }; int main() { Test t; t.x = 20; getchar(); return 0; } X is private
X is public
X is integer
None of above
Q8/ In the following program there is an error in compiling what is the error ???
class Rectangle {
int width, height;
public:
void set_values (int x, int y) {
width = x;
height = y;
}
int area()
int width, height;
public:
void set_values (int x, int y) {
width = x;
height = y;
}
int area()
{
return width*height;
}
int main () {
Rectangle rect;
rect.set_values (3,4);
cout << "Area of Rectangle: " << rect.area()<<endl;
return 0;
}
int main () {
Rectangle rect;
rect.set_values (3,4);
cout << "Area of Rectangle: " << rect.area()<<endl;
return 0;
}
Return width*height
Int width, height;
}
};
Q9/ In the following program can the main function access the variable member redius ????
#include<iostream> using namespace std; class Circle { public: double radius; double compute_area() { return 3.14*radius*radius; } }; int main() { Circle obj; obj.radius = 5.5; cout << "Radius is: " << obj.radius << "\n"; cout << "Area is: " << obj.compute_area(); return 0; } Yes
No
Q10/
Q9/ In the following program can the main function access the variable member redius ????
#include<iostream> using namespace std; class Circle { double radius; public: double compute_area() { return 3.14*radius*radius; } }; int main() { Circle obj; obj.radius = 5.5; cout << "Radius is: " << obj.radius << "\n"; cout << "Area is: " << obj.compute_area(); return 0; } Yes
No
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