Date Calculation : Java to get date before or after some days from today

Calendar cNow = Calendar.getInstance();

Date dNow = cNow.getTime();          

cNow.add(Calendar.DATE, Day);           

Date beforeDate = cNow.getTime();           

SimpleDateFormat format = 

         new SimpleDateFormat("MMM dd, yyyy hh:mm:ss a");

           

String dateNow = format.format(dNow);          

String dayBefore = format.format(beforeDate);          

System.out.println(dateNow);         

System.out.println(dayBefore);

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Day is a integer value either in + or - base on requirement

- Day will give you past date

+ Day will give you future date