Program Of IF Statement With Class In C++

#include<iostream.h>

#include<conio.h>

class test

{

private:

int a;

public:

void getdata()

{

cout<<"Enter Marks=";

cin>>a;

}

void show()

{

if(a>=40)

{

cout<<"\n Pass";

}

else

{

cout<<"\n Fail";

}

}

};

main()

{

test t1;

clrscr();

t1.getdata();

t1.show();

getch();

}

Program Of Type Conversion Between Derive to Base Class

#include <iostream.h>

#include<conio.h>

class Base

{

private:

    double b;

public:

    B

ase(double x)

    {

     b=x;

    }

    void display()

    {

cout<<"\n Base Class Value Is"<<b;

    }

    double getValue()

    {

return b;

    }

};

class derive

{

private:

    int d;

public:

    derive(int y)

    {

     d=y;

    }

    void display()

    {

      cout << "\n derive Value Is"<<d;

    }

    operator Base()

    {

return Base(d*1.609344);

    }

};

main()

{

clrscr();

    derive m1 = 100;        // Source Class

    Base k1 = m1;         // Destination Class

    m1.display();

    k1.display();

    cout << endl;

   getch();

}

Program To Find Simple Interest Using Class In C++

  #include<iostream.h>

    #include<conio.h>

    #include<math.h>

    class pawan

      {

private:

float x,y,z;

public:

void getdata(float p,float q,float r)

{

x=p;

y=q;

z=r;

}

void display()

 {

float m,l,j,k;

m=(l*j*k/100);

cout<<m;

   }

     };

    main()

{

pawan a1;

clrscr();

float a,b,c;

cout<<"entaer numbers x,y,z=";

cin>>a>>b>>c;

a1. getdata(a,b,c);

a1.display();

getch();

}