program to show difference b/w while and do while

while

#include<conio.h>
#include<iostream.h>
void main()
{
int a=10;
clrscr();
while(a<=9)
{
cout<<"\n"<<a;
a++;
}
getch();
}


do while


#include<conio.h>
#include<iostream.h>
void main()
{
int a=10;
clrscr();
do
{
cout<<"\n"<<a;
a++;
}
while(a<=9);
getch();
}