Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/defaultMethods/Pos01.java
test/tools/javac/defaultMethods/Pos01.java
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| 1 /* | |
| 2 * Copyright (c) 2011, 2013, 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 */ | |
| 23 | |
| 24 /* | |
| 25 * @test | |
| 26 * @bug 7192246 | |
| 27 * @summary basic test for default methods | |
| 28 * @author Maurizio Cimadamore | |
| 29 */ | |
| 30 | |
| 31 import java.util.*; | |
| 32 | |
| 33 public class Pos01 { | |
| 34 | |
| 35 interface Mapper<T> { | |
| 36 T map(T in); | |
| 37 } | |
| 38 | |
| 39 interface ExtendedList<T> extends List<T> { | |
| 40 default List<T> testMap(Mapper<T> r) { | |
| 41 return Pos01.<T>listMapper(this, r); | |
| 42 } | |
| 43 } | |
| 44 | |
| 45 static class MyList<E> extends ArrayList<E> implements ExtendedList<E> {} | |
| 46 | |
| 47 public static void main(String[] args) { | |
| 48 MyList<Integer> l = new MyList<Integer>(); | |
| 49 l.add(1); l.add(2); l.add(3); | |
| 50 l.testMap((Integer x) -> x * x ); | |
| 51 } | |
| 52 | |
| 53 static <T> List<T> listMapper(List<T> l, Mapper<T> mapper) { | |
| 54 MyList<T> new_list = new MyList<T>(); | |
| 55 for (T el : l) { | |
| 56 new_list.add(mapper.map(el)); | |
| 57 } | |
| 58 return new_list; | |
| 59 } | |
| 60 } |
