Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import java.util.Calendar;
import java.util.GregorianCalendar;

public class Main {
    /**
     * Calculates the difference in days, rounding the operands down to the nearest day.
     * Ex. Jan 3rd 12:31 pm - Jan 2nd 4:00 pm
     * =   Jan 3rd - Jan 2nd
     * =   1 day 
     * @return The difference in days.
     */
    public static int differenceInDays(GregorianCalendar minuend, GregorianCalendar subtrahend) {
        GregorianCalendar minuendFloor = new GregorianCalendar(minuend.get(Calendar.YEAR),
                minuend.get(Calendar.MONTH), minuend.get(Calendar.DAY_OF_MONTH));
        GregorianCalendar subtrahendFloor = new GregorianCalendar(subtrahend.get(Calendar.YEAR),
                subtrahend.get(Calendar.MONTH), subtrahend.get(Calendar.DAY_OF_MONTH));
        GregorianCalendar result = new GregorianCalendar();
        result.setTimeInMillis(minuendFloor.getTimeInMillis() - subtrahendFloor.getTimeInMillis());
        return result.get(Calendar.DAY_OF_YEAR);
    }
}