Month End Date of previous month without JODA

Question

I have a date from the request, say 15-aug-2014, How do I calculate the previous month end date (It will be 31-Jul-2014) in java using java,lang.Calendar. We dont use JODA time.

Answer 1

May be this can help,

   Calendar cal = Calendar.getInstance();
   //Set the Calendar date to 1st of the current month
   cal.set(Calendar.DATE, 1);
   // Subtract a day from it
   cal.set(Calendar.DATE,cal.get(Calendar.DATE)-1);
   // Prints the previous month end date
   System.out.println(cal.get(Calendar.DATE));

From the Calendar instance, you can get the Date by

Date date = cal.getTime();

Finally, you can use SimpledateFormat to format your date as needed

SimpleDateFormat sdf = new SimpleDateFormat("dd.MM.yyyy");
System.out.println( "The date is: "+  sdf.format(date));

Hope, it helps!

Answer 2

尝试

   c.add(Calendar.DAY_OF_MONTH, -(c.get(Calendar.DAY_OF_MONTH)));