Resetting the time part of a timestamp in Java

Question

In Java, given a timestamp, how to reset the time part alone to 00:00:00 so that the timestamp represents the midnight of that particular day ?

In T-SQL, this query

Answer 1

Since I don't do much DateTime manipulation, this might not be the best way to do it. I would spawn a Calendar and use the Date as source. Then set hours, minutes and seconds to 0 and convert back to Date. Would be nice to see a better way, though.