This method calculate difference of date from a couple of Calendar Object. - Java java.util

Java examples for java.util:Calendar Calculation

  1. HOME
  2. Java
  3. java.util
  4. Calendar Calculation

Description

This method calculate difference of date from a couple of Calendar Object.

Demo Code

/*//from  w  w w  .ja v a 2  s  .c  om
 * Copyright 2012 Hiromasa Horiguchi ( The University of Tokyo )
 * 
 * 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.
 */
//package com.java2s;

import java.util.Calendar;

public class Main {

    public static Integer calcDifferenceAsDays(Calendar aBaseDate,
            Calendar aTargetDate) {
        long tDifference = aTargetDate.getTimeInMillis()
                - aBaseDate.getTimeInMillis();
        // 86400000 = 1000[msec] * 60[sec] * 60[min] * 24[hour], Long.MAX_VALUE / 86400000 < Integer.MAX_VALUE
        return (int) (tDifference / 86400000);
    }
}

Related Tutorials