Second Counter To Minutes

Apr 7, 2014

I have a timer where it counts down from 300 to 0 then does something. But I want the display for the clock to show the time in minutes. I tried:

double showTimeLeft = timeLeft / 60;
o.setDisplay(String.format("%.2f", showTimeLeft) + " Minutes");

But Every so many seconds it skips like:

Time = 3.38
Time = 3.37
Time = 3.35
Time = 3.34

It skipped 3.56

How to do this right?

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Java Code:

package Project;
import java.awt.event.ActionEvent;
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