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Code for adding an integer to time

hi all

i have req in xi where i need to add '1' to current time. say if the vairable tme holds the current time and interger 1 is in constant integ what will be the piece of code to acieve this...i will be using it in a user def f/n.

ur expertise is requested

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  • Best Answer
    author's profile photo Former Member
    Former Member
    Posted on Feb 26, 2007 at 07:08 PM

    Wish the following piece code would help you.

    for instance your constant is ONE_SECOND = 1 and the currentDate is the time variable.

    Date currentDate = ...

    long currentTime = currentDate.getTime();

    long newTime = currentTime + ONE_SECOND*1000;

    Date newDate = new Date( newTime);

    Dennis

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    • What about not using custom string parsing

      import java.sql.Time;
      import java.util.Calendar;
      import java.util.Date;
      
        // time in format "hh:mm:ss"
        private static String addSeconds(String time, String seconds) {
          Time t = Time.valueOf(time);
          Calendar c = Calendar.getInstance();
          c.setTime(t);
          c.add(Calendar.SECOND, Integer.parseInt(seconds));
          t.setTime(c.getTimeInMillis());
      
          return t.toString();
        }
      

      Then

          System.out.println(addSeconds("12:20:10", "10")); // 12:20:20
          System.out.println(addSeconds("23:59:55", "10")); // 00:00:05
      

      Kind regards,

      Sigiswald

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