public class count{
int k =0;
while(k < 10)
{
k++;
system.out.rintln(k);
}

//********************
int k=10
while(k > 0)
{
System.out.println(k);
k--;
}
//****************
k =0;
while(k < 20)
{
k += 2;
sytem.out.println(k);
}
//***************
int i=0;
while(i<50)
{
i++;
system.out.println("I love java");
}
//*************************
int i = 64;
char k = null;
(while i != 90)
{
i++
k = i;
System.out.println(k);
}