What will be the output of the following C++ code?
#include <iostream>
using namespace std;
class Rect
{
int x, y;
public:
void set_values (int,int);
int area ()
{
return (x * y);
}
};
void Rect::set_values (int a, int b)
{
x = a;
y = b;
}
int main ()
{
Rect recta, rectb;
recta.set_values (5, 6);
rectb.set_values (7, 6);
cout << "recta area: " << recta.area();
cout << "rectb area: " << rectb.area();
return 0;
}
#include <iostream>
using namespace std;
class Rect
{
int x, y;
public:
void set_values (int,int);
int area ()
{
return (x * y);
}
};
void Rect::set_values (int a, int b)
{
x = a;
y = b;
}
int main ()
{
Rect recta, rectb;
recta.set_values (5, 6);
rectb.set_values (7, 6);
cout << "recta area: " << recta.area();
cout << "rectb area: " << rectb.area();
return 0;
}A. recta area: 30 rectb area: 42
B. recta area: 20 rectb area: 34
C. recta area: 30 rectb area: 21
D. recta area: 30 rectb area: 33
Answer: Option A
This Question Belongs to C Plus Plus Programming >> Classes And Objects In C Plus Plus
A. A collection of functions
B. A reserved keyword in C++
C. A blueprint for creating objects
D. A way to declare arrays of data
Which keyword is used to create an object of a class in C++?
A. new
B. create
C. object
D. None of the above
A. A reserved keyword in C++
B. An instance of a class
C. A way to declare arrays of data
D. None of the above
What is the purpose of a constructor in C++?
A. To hide the implementation details of a class
B. To create multiple instances of a class
C. To initialize the object's data members
D. To destroy the object
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