Thursday, 23 April 2020

Write a Program illustrating how the constructors are implemented and the order in which they are called when the classes are inherited. Use three classes named alpha, beta, gamma such that alpha,beta are base class and gamma is derived class inheriting alpha & beta

#include<iostream.h>
#include<conio.h>
class alpha
{
int x;
public:
alpha(int i)
{
x = i;
cout<<"alpha initialized\n";
}
void show_x(void)
{
cout<<"x="<<x<<"\n";
}
};
class beta
{
float y;
public:
beta(float j)
{
y=j;
cout<<"beta initialized\n";
}
void show_y(void)
{
cout<<"y= "<<y<<"\n";
}
};
class gamma : public beta, public alpha
{
int m,n;
public:
gamma(int a, float b, int c, int d):
alpha(a),
beta(b)
{
m = c; n = d;
cout<<"gamma initialized\n";
}
void show_mn(void)
{
cout<<"m="<<m<<"\n";
cout<<"n="<<n<<"\n";
}
};
void main()
{
gamma g(5, 10.75, 20, 30);
g.show_x();
g.show_y();
g.show_mn();
}

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