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/*
* Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @summary basic test for default methods
* @author Maurizio Cimadamore
*/
import java.util.*;
public class Pos01 {
interface Mapper<T> {
T map(T in);
}
interface ExtendedList<T> extends List<T> {
default List<T> testMap(Mapper<T> r) {
return Pos01.<T>listMapper(this, r);
}
}
static class MyList<E> extends ArrayList<E> implements ExtendedList<E> {}
public static void main(String[] args) {
MyList<Integer> l = new MyList<Integer>();
l.add(1); l.add(2); l.add(3);
l.testMap((Integer x) -> x * x );
}
static <T> List<T> listMapper(List<T> l, Mapper<T> mapper) {
MyList<T> new_list = new MyList<T>();
for (T el : l) {
new_list.add(mapper.map(el));
}
return new_list;
}
}
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