Hi,
I'm doing a small timesheet app with struts using PostgreSQL as backend and as I'm new to struts and also somewhat new to Java I'm trying to decide where I should put the logic.
Each row contains a day, start time, end time and break time. Now, I want the business layer to calculate the duration between start time, end time minus the break.
Should this be placed in the SQL-side using a special query, or should I do this in Java? If so, is it possible to calculate durations and intervals in Java without using third-party packages?
I know the question is pretty vague but I'm on thin ice at the moment and not really knowing what I'm doing :)
regards, Robin
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