import java.util.Calendar; class CalDate { public static int returnTotalDays(int year, int month) { if(year < 0 || (month < 0 || month > 11)){ return -1; } else { Calendar c1 = Calendar.getInstance(); /* remember 0 in the month field always represents january */ c1.set(year, month, 3); if(month > 0){ return c1.getActualMaximum(Calendar.DAY_OF_MONTH); } else { return c1.getActualMaximum(Calendar.DAY_OF_YEAR); } } } // method main(): ALWAYS the APPLICATION entry point public static void main (String[] args) { //System.out.println ("Hello World!"); System.out.println (returnTotalDays(2004, 0)); } }