Definition
In C++,Constructor is automatically called when object(instance of class) create.It is special member function of the class.Which constructor has arguments thats called Parameterized Constructor.
- It has same name of class.
- It must be a public member.
- No Return Values.
- Default constructors are called when constructors are not defined for the classes.
Syntax
class class-name{ Access Specifier: Member-Variables Member-Functions public: class-name(variables) { // Constructor code } ... other Variables & Functions}Example Program
/* Example Program For Simple Example Program Of Parameterized Constructor In C++
little drops @ thiyagaraaj.com
Coded By:THIYAGARAAJ MP */
#include<iostream>
#include<conio.h>
using namespace std;
class Example {
// Variable Declaration
int a,b;
public:
//Constructor
Example(int x,int y) {
// Assign Values In Constructor
a=x;
b=y;
cout<<"Im Constructor\n";
}
void Display() {
cout<<"Values :"<<a<<"\t"<<b;
}
};
int main() {
Example Object(10,20);
// Constructor invoked.
Object.Display();
// Wait For Output Screen
getch();
return 0;
}
Sample Output
Im Constructor
Values :10 20