public class test_for {

  public static void main (String[] argv)
  {
    // Computes (1/10 + 2/9 + ... + 10/1 - 1)
    int n = 10;
    double sum = 0;
    // Notice how i and j are both defined in the for-loop.
    for (int i=1, j=n; (i!=j)&&(i<=n);  i++, j--)
      sum += (double) i / (double) j;
    System.out.println ("Sum = " + sum);
  }

}