CPP-EX42

wap menu driven using class to cal area and volume of rectangle using inline function

#include<iostream.h>
#include<conio.h>
class calc
{
    int l,b,h;
    public:
    inline int area(int l,int b)
    {
        return l*b;
    }
    inline float vol(float l1,float b1,float h1)
    {
        return l1*b1*h1;
    }
};
void main()
{
    calc c;
    char ch;
    int n1,n2,c1;
    float n3,n4,n5,c2;
    clrscr();
    cout<<"\n 1.area";
    cout<<"\n 2.volume";
    cout<<"\n enter the opeartion";
    cin>>ch;
    switch(ch)
    {
        case '1':
        cout<<"\n enter the 2 numbers";
        cin>>n1>>n2;
        c1=c.area(n1,n2);
        cout<<"area is "<<c1;
        break;
        case '2':
        cout<<"\n enter 3 numbers";
        cin>>n5>>n4>>n3;
        c2=c.vol(n4,n5,n3);
        cout<<"\n volume is "<<c2;
        break;
        default:cout<<"this program cannot run";
    }
    getch();
}