2 simple newbie questions!

hi, I have some simple questions. I already searched on the web for some answers but I couldnt find any :(
1. Is there any way to make a class execute another class's method every x minutes (say 5)? like an external signal that every 5 minutes executes "regelsysteem.genereerOverzicht()"
2. i would like to retrieve the system's current time and date (in string format), how could i do this?
thanks :)

1. See Timer in the API Docs.
2. See Date, Calendar, and DateFormat ditto.

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