public class Summor { 
  public static void main (String args[]) { 
    float summa;

    summa = (float) 0; // eller 0 eller 0.0f, men ej 0.0
    for(int k = 1; k <= 1000000; k++)
      summa += (float) 1.0 / (float) k;  // eller 1.0f / k t.ex.

    System.out.println("1 + 1/2 + ... + 1/1000000 = " + summa); 

    summa = (float) 0;
    for(int k = 1000000; k >= 1; k--)
      summa += (float) 1.0 / (float) k;
    System.out.println("1/1000000 + ... + 1/2 + 1 = " + summa); 
  } 
}