Mercurial > jdk8-mips64-public > langtools / annotate
test/tools/javac/foreach/SuperfluousAbstract.java@a6f2911a7c55 (annotated)
test/tools/javac/foreach/SuperfluousAbstract.java
Mon, 03 May 2010 17:12:59 -0700
- author
- mcimadamore
- date
- Mon, 03 May 2010 17:12:59 -0700
- changeset 550
- a6f2911a7c55
- parent 289
- 84061bd68019
- child 554
- 9d9f26857129
- permissions
- -rw-r--r--
6943289: Project Coin: Improved Exception Handling for Java (aka 'multicatch')
Reviewed-by: jjg, darcy
| duke@1 | 1 | /* |
| duke@1 | 2 | * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved. |
| duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@1 | 4 | * |
| duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@1 | 7 | * published by the Free Software Foundation. |
| duke@1 | 8 | * |
| duke@1 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@1 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@1 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@1 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@1 | 13 | * accompanied this code). |
| duke@1 | 14 | * |
| duke@1 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@1 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@1 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@1 | 18 | * |
| duke@1 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| duke@1 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| duke@1 | 21 | * have any questions. |
| duke@1 | 22 | */ |
| duke@1 | 23 | |
| duke@1 | 24 | /* |
| duke@1 | 25 | * @test |
| duke@1 | 26 | * @bug 4912795 |
| duke@1 | 27 | * @summary AbstractMethodError throws if not redeclare abstract iterator() method |
| duke@1 | 28 | * @author gafter |
| duke@1 | 29 | */ |
| duke@1 | 30 | |
| duke@1 | 31 | import java.util.AbstractCollection; |
| duke@1 | 32 | import java.util.Collection; |
| duke@1 | 33 | import java.util.Iterator; |
| duke@1 | 34 | |
| duke@1 | 35 | interface Q<E> extends Collection<E> {} |
| duke@1 | 36 | |
| duke@1 | 37 | abstract class AbstractQ<E> extends AbstractCollection<E> implements Q<E> { |
| duke@1 | 38 | // Uncomment this to avoid the AbstractMethodError: |
| duke@1 | 39 | //public abstract Iterator<E> iterator(); |
| duke@1 | 40 | } |
| duke@1 | 41 | |
| duke@1 | 42 | class ConcreteQ<E> extends AbstractQ<E> { |
| duke@1 | 43 | public int size() { return 0; } |
| duke@1 | 44 | public Iterator<E> iterator() { return null; } |
| duke@1 | 45 | } |
| duke@1 | 46 | |
| duke@1 | 47 | public class SuperfluousAbstract { |
| duke@1 | 48 | public static void main(String[] args) { |
| duke@1 | 49 | try { |
| duke@1 | 50 | Q<Integer> q = new ConcreteQ<Integer>() ; |
| duke@1 | 51 | for (Integer i : q) {} |
| duke@1 | 52 | } |
| duke@1 | 53 | catch (AbstractMethodError e) { |
| duke@1 | 54 | e.printStackTrace(System.err); |
| duke@1 | 55 | } |
| duke@1 | 56 | catch (NullPointerException e) { |
| duke@1 | 57 | // expected, since iterator() returns null |
| duke@1 | 58 | } |
| duke@1 | 59 | } |
| duke@1 | 60 | } |
