Here you can find the source of toDatetime(long value)
public static java.sql.Timestamp toDatetime(long value)
//package com.java2s; /**/*w ww . j av a 2 s . c om*/ * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.sql.Timestamp; import java.util.Calendar; public class Main { public static java.sql.Timestamp toDatetime(long value) { final int sec = (int) (value % 100); value /= 100; final int min = (int) (value % 100); value /= 100; final int hour = (int) (value % 100); value /= 100; final int day = (int) (value % 100); value /= 100; final int mon = (int) (value % 100); final int year = (int) (value / 100); final Calendar c = Calendar.getInstance(); c.set(year, mon - 1, day, hour, min, sec); return new Timestamp(c.getTime().getTime()); } }