Here you can find the source of now()
public static String now()
//package com.java2s; import java.util.Calendar; import java.text.SimpleDateFormat; public class Main { public static final String DATE_FORMAT_NOW = "yyyy-MM-dd HH:mm:ss"; public static String now() { Calendar cal = Calendar.getInstance(); SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT_NOW); return sdf.format(cal.getTime()); }//from w w w . j av a 2 s. c o m }