public class NullListe {
  public static void main(String[] args) {

    String[] biester = new String[]{ null, "Löwe", null, "Nessos", null, null, "Medusa", "Minotaur", null, null, null, null, null, null, null, null, null, null, null, null };

    String ausgabe = "";
    int n;

    for (n = 0; n < biester.length; n++) {
      if (biester[n] != null) {
        ausgabe += biester[n] + " ";
      }
    }

    System.out.println(ausgabe);
  }
}