// Program to illustrate passing parameters from derived
class constructor to base class constructor
#include<iostream.h>
class base
{
protected:
int a;
public:
base(int x)
{
a=x;
}
};
class derived:public base
{
protected:
int b,c;
public:
derived(int x,int y):base(x)
{
b=y;
}
void sum()
{
c=a+b;
}
void display()
{
cout<<"\n Sum of a + b :"<<c;
}
};
void main()
{
derived obj(10,15);
obj.sum();
obj.display();
}
Test data
output
Sum of a + b : 25
