Java tutorial
//package com.java2s; import java.text.SimpleDateFormat; import java.util.Date; public class Main { public static String GetDateStringFromLong(long millis) { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); if (millis != Long.MIN_VALUE) { java.util.Date dt = new Date(millis); return sdf.format(dt); } else { return "1900-01-01 00:00:00"; } } }