How to convert Milliseconds to “X mins, x seconds” in Java?

Question

I want to record the time using System.currentTimeMillis() when a user begins something in my program. When he finishes, I will subtract the current Syste

Answer 1

I think the best way is:

String.format("%d min, %d sec", 
    TimeUnit.MILLISECONDS.toSeconds(length)/60,
    TimeUnit.MILLISECONDS.toSeconds(length) % 60 );