C++ using Inheritance Program

Single Inheritance

#include

#include

class person

{

char name[10];

int age;

public:

void getperson(void)

{

cout<<"Enter your Name and Age\n";

cin>>name>>age;

}

void dispersion(void)

{

cout<<"\n Name\t"<

cout<<"\nage\t"<

}

};

class mark: public person

{

int m1,m2;

public:

void getmark(void)

cout<<"\n Enter Mark1\t";

cin>>m1;

cout<<"\nEnter Mark2\t;

cin>>m2;

}

void dismark(void)

{

cout<<"\n Mark1"<

cout<<"\n Mark2"<

}

};

void main()

{

clrscr();

person p;

cout<<"\n Object created to class person\n";

p.getperson();

p.disperson();

mark m1;

cout<<"\n Object created to class mark\n";

m1.getperson();

m1.getmark();

m1.disperson();

m1.dismark();

getch();

}

Output

Object created to class person

Enter your Name and Age

Aruna

19

Name          Aruna

Age             19

Object created to class mark

Enter your Name and Age

Hema

20

Enter Mark1                  99

Enter Mark2                  69

Name          :         Hema

Age             :         20

Mark1         :         99

Mark2         :         69

Multiple Inheritances

#include

#include

class hosp

{

public:

char pname[20],sex[10];

int age;

void getdata()

{

cout<<"\t\t Vinayaga Hospital";

cout<<"\t\t*****************************************\n";

cout<<"\n Enter the patient Name: ";

cin>>pname;

cout<<"\n Enter the age: ";

cin>>age;

}

void disp()

{

cout<<"\n\t"<

cout<<"\t"<

cout<<"\t"<

}

};

class ward

{

public:

char ill[15];

int ano,beno;

void getdata()

{

cout<<"\n Enter the ward no: ";

cin>>wano;

cout<<"\n Enter the bed no: ";

cin>>beno;

cout<<"\n Enter the nature of illness: ";

cin>>ill;

}

void disp()

{

cout<<"\t"<

cout<<"\t"<

cout<<"\t"<

}

};

class dat: public ward, virtual public hosp

{

public:

char adda[10];

void getdata()

{

hosp::getdata();

ward::getdata();

cout<<"\n Enter the data of admission: ";

cin>>adda;

}

void disp()

{

hosp::disp();

ward::getdata();

cout<<"\t"<

}

void opt()

{

cout<<"\n";

cout<<"\n\t\t Vinayaga Hospital";

cout<<"\n\t\t***************************************";

cout<<"\n Name\tSex\tAge\tWardno\tBedno\tReson\tDate";

cout<<"\n----------------------------------------------------------------";

}

};

void main()

{

clrscr();

int i,j;

char ch;

clrscr();

dat d[100],d1;

i=0;

start;

d[i].getdata();

++I;

getch();

d1.opt();

for(j=0;j

{

d[j].disp();

}

cout<<"\n Do u want to continue(Y / N)? ";

cin>>ch;

if(ch==’y’)

{

clrscr();

goto start;

}

}

Output

                             Vinayaga Hospital

                   *******************************

          Enter the patient name            :         Amutha

          Enter the sex                           :         Female

          Enter the age                           :         28

          Enter the ward no                    :         25

          Enter the bed no                      :         3

          Enter the natures of illness      :         Eye problem

          Enter the data of Admission    :         5.6.2010

                                     Vinayaga Hospital

                   ***********************************

          Name          Sex              Age   Wardno      Bedno      Reson            Date

--------------------------------------------------------------------------------------------

          Amutha      Female        28         25            3             Eye problem   5.6.11

                   Do u want to continue (Y/N)?

Multilevel Inheritance

#include

#include

class one

{

protected:

int x;

public:

one()

{

x=10;

}

void disp1()

{

cout<<""<

}

};

class two: public one

{

protected:

int y;

public:

two()

{

y=20;

}

void disp2()

{

cout<<""<

}

};

class three: public two

{

protected:

int z;

public:

three()

{

z=30;

}

void disp3()

{

cout<<""<

}

};

void main()

{

clrscr();

one obj1;

two obj2;

three obj3;

obj3.disp1();

obj3.disp2();

obj3.disp3();

getch();

}

Output

10

10      20

10      20      30