Decrement a date in Java

Question

I want to get the previous day (24 hours) from the current time.

e.g if current time is Date currentTime = new Date();

2011-04-25 12:

Answer 1

please checkout this here: Java Date vs Calendar

Calendar cal=Calendar.getInstance();
cal.setTime(date); //not sure if date.getTime() is needed here
cal.add(Calendar.DAY_OF_MONTH, -1);
Date newDate = cal.getTime();