Here you can find the source of findLast(Stream
public static <T> Optional<T> findLast(Stream<T> s)
//package com.java2s;
/*/*from ww w. j a v a2 s. c o m*/
This file is part of the BlueJ program.
Copyright (C) 1999-2009,2011,2012,2013,2014,2015 Michael Kolling and John Rosenberg
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 2
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
This file is subject to the Classpath exception as provided in the
LICENSE.txt file that accompanied this code.
*/
import java.util.Optional;
import java.util.stream.Stream;
public class Main {
public static <T> Optional<T> findLast(Stream<T> s)
{
return Optional.ofNullable(s.reduce(null, (p, c) -> c));
}
}