Program Of IF Else 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)

{

if(a>=60)

{

if(a>=80)

{

cout<<"\n Merit";

}

else

{

  cout<<"\n First";

}

}

else

{

if(a>=50)

{

cout<<"\n Good Second";

}

else

{

  cout<<"\n Second";

}

}

}

else

{

if(a>=20)

{

cout<<"\n Poor";

}

else

{

  cout<<"\n V.poor";

}

}

}

};

main()

{

test t1;

clrscr();

t1.getdata();

t1.show();

getch();

}