如何得到我想要多少天在當月中的Android

Question

知道的當前日期時間和年份名稱，並在當月算多少天

Answer 1

int iYear = 2000; 
int iMonth = Calendar.January; 
int iDay = 1; 

// Create a calendar object and set year and month 
Calendar mycal = new GregorianCalendar(iYear, iMonth, iDay); 

// Get the number of days in that month 
int daysInMonth = mycal.getActualMaximum(Calendar.DAY_OF_MONTH);