Java Calendar Compare compareDates(Calendar date1, Calendar date2)

Description

Method that compares 2 dates, works similarly to the compareTo method from Calendar, but ignores the time, just uses the year, month and day

License

Open Source License

Parameter

Parameter	Description
date1	a parameter
date2	a parameter

Return

0 if the dates represent the same day, -1 if date1 is before date2, 1 if date1 is after date2

Declaration

public static int compareDates(Calendar date1, Calendar date2)

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.Calendar;

public class Main {
    /**/*  w ww  . j a va2 s  . c  om*/
     * Method that compares 2 dates, works similarly to the compareTo method from Calendar, but 
     * ignores the time, just uses the year, month and day
     * @param date1
     * @param date2
     * @return 0 if the dates represent the same day, -1 if date1 is before date2, 1 if date1 is 
     * after date2 
     */
    public static int compareDates(Calendar date1, Calendar date2) {
        int result = 0;
        if (date1.get(Calendar.YEAR) == date2.get(Calendar.YEAR)) {
            if (date1.get(Calendar.MONTH) == date2.get(Calendar.MONTH)) {

                if (date1.get(Calendar.DAY_OF_MONTH) == date2
                        .get(Calendar.DAY_OF_MONTH)) {
                    result = 0;
                } else if (date1.get(Calendar.DAY_OF_MONTH) < date2
                        .get(Calendar.DAY_OF_MONTH)) {
                    result = -1;
                } else if (date1.get(Calendar.DAY_OF_MONTH) > date2
                        .get(Calendar.DAY_OF_MONTH)) {
                    result = 1;
                }
            } else if (date1.get(Calendar.MONTH) < date2
                    .get(Calendar.MONTH)) {
                result = -1;
            } else if (date1.get(Calendar.MONTH) > date2
                    .get(Calendar.MONTH)) {
                result = 1;
            }

        } else if (date1.get(Calendar.YEAR) < date2.get(Calendar.YEAR)) {
            result = -1;
        } else if (date1.get(Calendar.YEAR) > date2.get(Calendar.YEAR)) {
            result = 1;
        }

        return result;
    }
}