Here you can find the source of newCalendar(long timeInMillis)
public static Calendar newCalendar(long timeInMillis)
//package com.java2s; /**//from ww w . j a v a 2 s . c om * Copyright 2011 the original author or authors. * * 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; import java.util.Date; import java.util.TimeZone; public class Main { public static Calendar newCalendar(Date date) { return newCalendar(date.getTime()); } public static Calendar newCalendar(long timeInMillis) { Calendar calendar = Calendar.getInstance(); calendar.setTimeInMillis(timeInMillis); return calendar; } public static Calendar newCalendar(int year, int month, int day, int hour, int minutes, int seconds, TimeZone timeZone) { Calendar calendar = Calendar.getInstance(timeZone); calendar.set(year, month, day, hour, minutes, seconds); return calendar; } public static Calendar newCalendar(int year, int month, int day) { Calendar calendar = Calendar.getInstance(); calendar.set(year, month, day, 0, 0, 0); return calendar; } }