Here you can find the source of isBeforeDate(long time1, long time2)
private static boolean isBeforeDate(long time1, long time2)
//package com.java2s; /**// ww w .j av a 2s . com * Copyright 2015 Smart Community Lab * * 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.util.Calendar; public class Main { private static boolean isBeforeDate(long time1, long time2) { boolean before = false; Calendar cal1 = Calendar.getInstance(); cal1.setTimeInMillis(time1); Calendar cal2 = Calendar.getInstance(); cal2.setTimeInMillis(time2); before = cal1.get(Calendar.DAY_OF_YEAR) < cal2.get(Calendar.DAY_OF_YEAR); return before; } }