Here you can find the source of formatDate(long timestamp)
private static LocalDateTime formatDate(long timestamp)
//package com.java2s; /*-// ww w . j a va 2 s .c o m * #%L * geodata * %% * Copyright (C) 2017 Morten Haraldsen (ethlo) * %% * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Lesser Public License for more details. * * You should have received a copy of the GNU General Lesser Public * License along with this program. If not, see * <http://www.gnu.org/licenses/lgpl-3.0.html>. * #L% */ import java.time.LocalDateTime; import java.time.ZoneOffset; public class Main { private static LocalDateTime formatDate(long timestamp) { return LocalDateTime.ofEpochSecond(timestamp / 1_000, 0, ZoneOffset.UTC); } }