Java Date Compare by Hour sameHour(Date dateOne, Date dateTwo)

Description

Test to see if two dates are in the same hour of day

License

Apache License

Parameter

Parameter	Description
dateOne	first date
dateTwo	second date

Return

true if the two dates are in the same hour of day

Declaration

public static boolean sameHour(Date dateOne, Date dateTwo) 

Method Source Code

//package com.java2s;
/*//from   w w w. j a v  a2 s  .c o m
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.Date;
import java.util.Calendar;

public class Main {
    /** Test to see if two dates are in the same hour of day
     *
     * @param dateOne first date
     * @param dateTwo second date
     * @return true if the two dates are in the same hour of day
     */
    public static boolean sameHour(Date dateOne, Date dateTwo) {
        if ((dateOne == null) || (dateTwo == null)) {
            return false;
        }

        Calendar cal = Calendar.getInstance();
        cal.setTime(dateOne);
        int year = cal.get(Calendar.YEAR);
        int month = cal.get(Calendar.MONTH);
        int day = cal.get(Calendar.DAY_OF_YEAR);
        int hour = cal.get(Calendar.HOUR_OF_DAY);

        cal.setTime(dateTwo);
        int year2 = cal.get(Calendar.YEAR);
        int month2 = cal.get(Calendar.MONTH);
        int day2 = cal.get(Calendar.DAY_OF_YEAR);
        int hour2 = cal.get(Calendar.HOUR_OF_DAY);

        return ((year == year2) && (month == month2) && (day == day2) && (hour == hour2));
    }
}

Related

1. sameHour(Date date1, Date date2)