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Constructor Overloading in C++
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Tutorials
Cpp
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Topic |
Using Constructor Overloading in C++?
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Explanation |
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Constructors Overloading are used to increase the flexibility of a class by having more number of
constructor for a single class. By have more than one way of initializing objects can be done using overloading
constructors.
Example:
#include <iostream.h>
class Overclass
{
public:
int x;
int y;
Overclass() { x = y = 0; }
Overclass(int a) { x = y = a; }
Overclass(int a, int b) { x = a; y = b; }
};
int main()
{
Overclass A;
Overclass A1(4);
Overclass A2(8, 12);
cout << "Overclass A's x,y value:: " <<
A.x << " , "<< A.y << "\n";
cout << "Overclass A1's x,y value:: "<<
A1.x << " ,"<< A1.y << "\n";
cout << "Overclass A2's x,y value:; "<<
A2.x << " , "<< A2.y << "\n";
return 0;
}
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Result:
Overclass A's x,y value:: 0 , 0
Overclass A1's x,y value:: 4 ,4
Overclass A2's x,y value:; 8 , 12
In the above example the constructor "Overclass" is overloaded thrice with different intialized values.
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| Note |
C++ is one of the most used programming languages in the world. Also known as "C with Classes".
Hope you enjoy this tutorial. Do send your feedback or suggestions on this C++ tutorial. This is a copyright content.
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