Member Function Inside the Class Body

 

Member Function Inside the Class Body

.i. Create a class called person that contains approprriate members for storing name

age,gender,tel no, write member function that can read and display these data.

#include<iostream>

#include<conio.h>

class person

{

private:

char name[100];

int age;

char gender[100];

char tel;

public:

 void input()

  {

 cout<<"Enter Name:";

cin>>name;

cout<<"Enter Age:";

cin>>age;

cout<<"Enter gender:";

cin>>gender;

cout<<"Enter telephone number:";

cin>>tel;

   }

void display()

  {

  cout<<endl;

  cout<<"Details are"<<endl;

  cout<<"Name:"<<name<<endl;

  cout<<"Age:"<<age<<endl;

 cout<<"Gender:"<<gender<<endl;

 cout<<"Telephone number:"<<tel;

   }

     };

void main()

{

  person p;

  p.input();

  p.display();

 getch();

   }

 

ii. Program to represent a Circle that has member

functions to perform following tasks.

a.Calculate area of circle?

b.Calculate perimeter of the circle 

Define member function inside the class.

#include<iostream>

#include<conio.h>

#include<math.h>

class circle

{

private:

float r;

public:

int read()

{

cout<<endl;

cout<<"Enter radius"<<endl;

cin>>r;

}

int area()

{

float A;

A=3.14*pow(r,2);

cout<<"Area is:"<<A<<endl;

}

int perimeter()

{

float p;

p=2*3.14*r;

cout<<"Perimeter is:"<<p;

}

};

int main()

{

circle c1,c2;

c1.read();

c1.area();

cout<<endl;

c1.perimeter();

c2.read();

c2.area();

c2.perimeter();

getch();

}

Output: