获得每月的最后一天日期

import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;public class LastDay{public static void main(String args[]) throws ParseException{SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm");System.out.println(getLastDayOfMonth("2012-02-21"));}public static String getLastDayOfMonth(String sDate1) throws ParseException{SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");Calendar cDay1 = Calendar.getInstance();cDay1.setTime(sdf.parse(sDate1));final int lastDay = cDay1.getActualMaximum(Calendar.DAY_OF_MONTH);Date lastDate = cDay1.getTime();lastDate.setDate(lastDay);return sdf.format(lastDate);}}