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Editorial Team
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Asked: 2026-06-18T10:44:36+00:00

Hello I am trying to create a teacher utility to port over to android

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Hello I am trying to create a teacher utility to port over to android OS. However I am running into a little trouble. I would like to create a class called Period. This class would contain the start and end time of that period. ie. Period one starts at 7:45 and ends at 8:45. I would also like to have a method for time left in period. for example it is now 8:10 and there are 35 minutes left. I am able to get the current time from System.currentTimeMillis(). However I am having trouble trying to figure out the best way to store the start and end time of the periods. i have taken a look at the Calendar class in Java and it seems like time is always tied to a date as well as a time. This does not seem to make seance for my application since the end time of the period happens on multiple days and not just on one particular date. Any help understanding this would be a great help. Thanks all

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  1. Editorial Team

    If your goal is to be able to compare the start and end time of the period with the current time, then you need a way to compute the date and time of the period’s bounds for today.

    So get a Calendar instance for today, set its time to 7:45, and compare the time of the calendar with the current time (same for the upper bound, of course).

    To represent each bound, you could simply use an int for the hours and a second int for the minutes.

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