Program Of Hierarchical Inheritance In C++

#include<iostream.h>

#include<conio.h>

class person

{

private:

char name[20];

long int phno;

public:

void read()

{

cout<<"\n Enter name ";

cin>>name;

cout<<"\n Enter Phno.=";

cin>>phno;

}

void show()

{

cout<<"\n Name="<<name;

cout<<"\n Phone="<<phno;

}

};

class student : public person

{

private:

int rollno;

char course[20];

public:

void read()

{

person::read();

cout<<"\n Enter Roll No.=";

cin>>rollno;

cout<<"\n Enter Course=";

cin>>course;

}

void show()

{

person ::show();

cout<<"\n Roll No.="<<rollno;

cout<<"\n Course="<<course;

}

};

class teacher:public person

{

private:

char dept_name[10];

char qual[10];

public:

void read()

{

person::read();

cout<<"\n Enter dept_name andQualification=";

cin>>dept_name>>qual;

}

void show()

{

person::show();

cout<<"\n Departement="<<dept_name;

cout<<"\n Qualififcation="<<qual;

}

};

main()

{

clrscr();

student s1;

cout<<"\n************************ Enter student Information******************";

s1.read();

cout<<"\n************************ Displaying Student Information*************";

s1.show();

teacher t1;

cout<<"\n************************** Enter Teacher Information*****************";

t1.read();

cout<<"\n*****************************Displaying Teacher Information************";

t1.show();

getch();

}
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Hierarchical Inheritance

When two or more classes are derived from a single

 base class, then 

Inheritance is called the hierarchical inheritance. The 

representation

of the hierarchical inheritance is shown in the 

following Fig.