Obtain highest day of a month

//f.e: get highest day of february/2006//Months starts at 0 and ends at 11!!
Calendar cal = GregorianCalendar.getInstance();cal.set(2006, 1, 1);System.out.println("Highest day: " + cal.getActualMaximum(GregorianCalendar.DAY_OF_MONTH));