Can anyone please explain runtime polymorphism with a real time example??at wh

Can anyone please explain runtime polymorphism with a real
time example??at what ciscumstances we go for it??

Question Posted / subashree

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Can anyone please explain runtime polymorphism with a real time example??at what ciscumstances we ..

Answer / anumeet

Here is a program of run-time polymorphism.
#include <iostream.h>
#include <string.h>
class father {
char name[20];
public:
father(char *fname) // 1 argument constructor
{
strcpy(name,fname)
}
virtual void show()
{
cout<<"father's name: "<<name<<"\n";
}
};
class son : public father
{
char name[20];
public:
son(char *sname,char *fname): father(fname)
{
strcpy(name,sname);
}
void show()
{
cout<<"son name: "<<sname<<"\n";
}
};
void main()
{
father *fp;
father f1("emraan");
fp=&f1;
fp->show();
son s1("kangana","emraan");
fp=&s1;
fp->show();
}

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