java获得两个日期之间的所有月份和所有

private static List<String> getMonthBetween(String minDate, String maxDate) throws ParseException {    ArrayList<String> result = new ArrayList<String>();    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");//格式化为年月    Calendar min = Calendar.getInstance();    Calendar max = Calendar.getInstance();    min.setTime(sdf.parse(minDate));    min.set(min.get(Calendar.YEAR), min.get(Calendar.MONTH), 1);    max.setTime(sdf.parse(maxDate));    max.set(max.get(Calendar.YEAR), max.get(Calendar.MONTH), 2);    Calendar curr = min;    while (curr.before(max)) {     result.add(sdf.format(curr.getTime()));     curr.add(Calendar.MONTH, 1);    }    return result;  }

import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Date;import java.util.List;public class SplitTime {private static List<Date> dateSplit(Date startDate, Date endDate)        throws Exception {    if (!startDate.before(endDate))        throw new Exception("开始时间应该在结束时间之后");    Long spi = endDate.getTime() - startDate.getTime();    Long step = spi / (24 * 60 * 60 * 1000);// 相隔天数    List<Date> dateList = new ArrayList<Date>();    dateList.add(endDate);    for (int i = 1; i <= step; i++) {        dateList.add(new Date(dateList.get(i - 1).getTime()                - (24 * 60 * 60 * 1000)));// 比上一天减一    }    return dateList;}public static void main(String[] args) throws ParseException {    try {        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");        Date start = sdf.parse("2015-4-20");        Date end = sdf.parse("2015-5-2");        List<Date> lists = dateSplit(start, end);        if (!lists.isEmpty()) {            for (Date date : lists) {                System.out.println(sdf.format(date));            }        }    } catch (Exception e) {    }}}运行结果：2015-05-022015-05-012015-04-302015-04-292015-04-282015-04-272015-04-262015-04-252015-04-242015-04-232015-04-222015-04-212015-04-20