FIND SUM OF FIRST 10 NATURAL NUMBERS

import java.util.*;
class sumnum

{
public static void main(string args[])
{
int n,sum;
sum=0;
n=1;
while(n<=10)
{
system.out.println(n);
sum=sum+n;
n=n+1;
}
system.out.println("sum first 10 numbers :" +sum);
}
}