find hour or minute difference between 2 java.sql.Timestamps?

Question

I store a java.sql.Timestamp in a postgresql database as Timestamp data type and I want to find out the difference in minutes or hours from the one stored in the DB to the current timestamp. What is the best way about doing this? are there built in methods for it or do I have to convert it to long or something?

Answer 1

I ended using this, just want to post it for others if they search for it.

public static long compareTwoTimeStamps(java.sql.Timestamp currentTime, java.sql.Timestamp oldTime)
{
    long milliseconds1 = oldTime.getTime();
  long milliseconds2 = currentTime.getTime();

  long diff = milliseconds2 - milliseconds1;
  long diffSeconds = diff / 1000;
  long diffMinutes = diff / (60 * 1000);
  long diffHours = diff / (60 * 60 * 1000);
  long diffDays = diff / (24 * 60 * 60 * 1000);

    return diffMinutes;
}