Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR,2002);
cal.set(Calendar.MONTH,6);//7月
int maxDate = cal.getActualMaximum(Calendar.DATE);
cal.set(Calendar.YEAR,2002);
cal.set(Calendar.MONTH,6);//7月
int maxDate = cal.getActualMaximum(Calendar.DATE);
同意楼上的!
呵呵!