Here you can find the source of clearCalendarTimeParts(Calendar cal)
public static void clearCalendarTimeParts(Calendar cal)
//package com.java2s; /*//from w w w. j a va 2s . c om * Copyright 2014-2015 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; public class Main { public static void clearCalendarTimeParts(Calendar cal) { cal.set(Calendar.HOUR_OF_DAY, cal.getActualMinimum(Calendar.HOUR_OF_DAY)); clearCalendarMinuteWithRear(cal); } public static void clearCalendarMinuteWithRear(Calendar cal) { cal.set(Calendar.MINUTE, cal.getActualMinimum(Calendar.MINUTE)); clearCalendarSecondWithRear(cal); } public static void clearCalendarSecondWithRear(Calendar cal) { cal.set(Calendar.SECOND, cal.getActualMinimum(Calendar.SECOND)); clearCalendarMillisecond(cal); } public static void clearCalendarMillisecond(Calendar cal) { cal.set(Calendar.MILLISECOND, cal.getActualMinimum(Calendar.MILLISECOND)); } }