Here you can find the source of strToDate(String date, String pattern)
public static Date strToDate(String date, String pattern)
//package com.java2s; //License from project: Apache License import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; public class Main { public static final String yyyyMMddHHmmss = "yyyy-MM-dd HH:mm:ss"; public static Date strToDate(String date, String pattern) { SimpleDateFormat format = new SimpleDateFormat(pattern); try {/*from w w w. j a v a 2 s. c o m*/ return format.parse(date); } catch (ParseException e) { e.printStackTrace(); } return null; } public static Date parse(String date) { SimpleDateFormat format = new SimpleDateFormat(yyyyMMddHHmmss); try { return format.parse(date); } catch (ParseException e) { e.printStackTrace(); } return null; } public static String parse(String date, String format) { SimpleDateFormat fmt = new SimpleDateFormat(format, Locale.US); try { Date datetime = fmt.parse(date); return dateToStr(datetime); } catch (ParseException e) { e.printStackTrace(); } return null; } public static String dateToStr(Date date) { SimpleDateFormat format = new SimpleDateFormat(yyyyMMddHHmmss); return format.format(date); } public static String dateToStr(Date date, String formatstr) { SimpleDateFormat format = new SimpleDateFormat(formatstr); return format.format(date); } }