public class Service implements Serializable
{
  private static final long serialVersionUID = -1506952676619302741L;
  private String expireTime = "No data";
  private String startTime = "No data";
  private String value = "No data";
  private String name = "No data";

    public long getHideTimeMillis() throws IllegalArgumentException
    {
      Time startTime = new Time(Time.getCurrentTimezone());
      Time endTime = new Time(Time.getCurrentTimezone());
      int[] startTimeSplit;
      int[] endTimeSplit;

      if(this.startTime.equals("No data"));
      {
        throw new IllegalArgumentException("Start time is not correctly formated.");
      }

      if(this.expireTime.equals("No data"))
      {
        throw new IllegalArgumentException("Expiry time is not correctly formated.");
      }

      startTimeSplit = splitDate(this.startTime);
      endTimeSplit = splitDate(this.expireTime);

      startTime.set(startTimeSplit[0], startTimeSplit[1], startTimeSplit[2],    startTimeSplit[3], startTimeSplit[4], startTimeSplit[5]);
      endTime.set(endTimeSplit[0], endTimeSplit[1], endTimeSplit[2], endTimeSplit[3], endTimeSplit[4], endTimeSplit[5]);

      long difference = endTime.toMillis(false)-startTime.toMillis(false);

      return (long)(difference*0.1+0.5);
    }
}

if(this.startTime.equals("No data"));
                                    ^
                                    |

if(this.startTime.equals("No data"));<--!!!