Zufälligen alphanumerischen String erstellen


private static final String ALPHA_NUMERIC_STRING = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
  public static String randomAlphaNumeric(int count) {
    StringBuilder builder = new StringBuilder();
    while (count-- != 0) {
      int character = (int)(Math.random()*ALPHA_NUMERIC_STRING.length());
      builder.append(ALPHA_NUMERIC_STRING.charAt(character));
    }
return builder.toString();
}