Thu, 20 Dec 2012 16:24:18 -0800
8004982: JDK8 source with GPL header errors
Reviewed-by: ohair
1 /*
2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
24 /*
25 * @test
26 * @summary basic test for default methods
27 * @author Maurizio Cimadamore
28 */
30 import java.util.*;
32 public class Pos01 {
34 interface Mapper<T> {
35 T map(T in);
36 }
38 interface ExtendedList<T> extends List<T> {
39 default List<T> testMap(Mapper<T> r) {
40 return Pos01.<T>listMapper(this, r);
41 }
42 }
44 static class MyList<E> extends ArrayList<E> implements ExtendedList<E> {}
46 public static void main(String[] args) {
47 MyList<Integer> l = new MyList<Integer>();
48 l.add(1); l.add(2); l.add(3);
49 l.testMap((Integer x) -> x * x );
50 }
52 static <T> List<T> listMapper(List<T> l, Mapper<T> mapper) {
53 MyList<T> new_list = new MyList<T>();
54 for (T el : l) {
55 new_list.add(mapper.map(el));
56 }
57 return new_list;
58 }
59 }