Java Date Compare max(Collection datumok)

Description

max

License

Open Source License

Declaration

public static Date max(Collection<Date> datumok) 

Method Source Code

//package com.java2s;
/*//w  w  w  . ja  va  2s  . c o m
 * #%L
 * Webstar Newsletter
 * %%
 * Copyright (C) 2013 Webstar Csoport Kft.
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the 
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public 
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * #L%
 */

import java.util.*;

public class Main {
    public static Date max(Date datum1, Date datum2) {
        if (datum1 == null) {
            return datum2;
        }

        if (datum2 == null) {
            return datum1;
        }

        return datum2.after(datum1) ? datum2 : datum1;
    }

    public static Date max(Collection<Date> datumok) {
        Collection<Date> nemNullDatumok = new ArrayList<Date>();
        for (Date date : datumok) {
            if (date != null) {
                nemNullDatumok.add(date);
            }
        }
        Date max = nemNullDatumok.isEmpty() ? null : Collections.max(nemNullDatumok);
        return max;
    }

    public static Date add(Date eredeti, int mihez, int mennyit) {
        if (eredeti == null) {
            return null;
        }
        Calendar cal = new GregorianCalendar();
        cal.setTime(eredeti);
        cal.add(mihez, mennyit);

        return cal.getTime();
    }
}

Related

1. getCompareDateNum(String sDateValue1, String sDateValue2)
2. getCompareResult(String date1, String date2)
3. isAfterOrEqual(Date date, Date toCompare)
4. isBeforeDate(String sCompareDate)
5. isInDate(Date date, Date compareDate)
6. max(Date a, Date b)
7. max(final Date a, final Date b)
8. max(Set dateSet)
9. mergeNonDateKeys(List rowKeys, List columnKeys)