Java tutorial
//package com.java2s; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; public class Main { public static int compareDate(String strDate1, String strDate2) { int value = 0; Date d1 = stringToDate(strDate1, "yyyy-MM-dd HH:mm:ss"); Date d2 = stringToDate(strDate2, "yyyy-MM-dd HH:mm:ss"); if (d1 == null || d2 == null) { return value; } value = d2.compareTo(d1); return value; } public static Date stringToDate(String str) { Date date = null; SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); try { date = formatter.parse(str); return date; } catch (Exception e) { return null; } } public static Date stringToDate(String str, String format) { Date date = null; SimpleDateFormat formatter = new SimpleDateFormat(format); try { date = formatter.parse(str); return date; } catch (Exception e) { return null; } } public static Date stringToDate(String str, String format, Locale locale) { Date date = null; SimpleDateFormat formatter = new SimpleDateFormat(format, locale); try { date = formatter.parse(str); return date; } catch (Exception e) { return null; } } }