Here you can find the source of toEpochTime(ZonedDateTime input)
public static long toEpochTime(ZonedDateTime input)
//package com.java2s; /* /*from w w w .ja va 2s. c o m*/ * Copyright 2015 DECOIT GmbH * * Licensed 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.time.ZonedDateTime; public class Main { public static long toEpochTime(ZonedDateTime input) { if (input == null) { throw new IllegalArgumentException("Input time must not be null"); } return input.toEpochSecond(); } }