Calendar c = Calendar.getInstance();
c.set(Calendar.DAY_OF_MONTH, c.getActualMaximum(Calendar.DAY_OF_MONTH));
System.out.println(format.format(c.getTime()));
Calendar c = Calendar.getInstance();
c.set(Calendar.DAY_OF_MONTH, c.getActualMaximum(Calendar.DAY_OF_MONTH));
System.out.println(format.format(c.getTime()));