1 /*
2  * Copyright (c) 2004, 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 5011312
27  * @summary wildcard capture (snapshotting)
28  * @author gafter
29  *
30  * @compile -Xlint:unchecked -Werror Capture1.java
31  */
32 
33 package capture1;
34 
35 import java.util.List;
36 
37 class C {
copy1(List<? super T> dest, List<? extends T> src)38     public static <T> void copy1(List<? super T> dest, List<? extends T> src) {
39         copy1(dest, src);
40         copy2(dest, src); // oops
41         copy3(dest, src); // oops
42     }
copy2(List<T> dest, List<? extends T> src)43     public static <T> void copy2(List<T> dest, List<? extends T> src) {
44         copy1(dest, src);
45         copy2(dest, src);
46         copy3(dest, src); // oops
47     }
copy3(List<? super T> dest, List<T> src)48     public static <T> void copy3(List<? super T> dest, List<T> src) {
49         copy1(dest, src);
50         copy2(dest, src); // oops
51         copy3(dest, src);
52     }
53 }
54