test/tools/javac/generics/BridgeOrder.java

Sat, 01 Dec 2007 00:00:00 +0000

author
duke
date
Sat, 01 Dec 2007 00:00:00 +0000
changeset 1
9a66ca7c79fa
child 289
84061bd68019
permissions
-rw-r--r--

Initial load

     1 /*
     2  * Copyright 2003 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    20  * CA 95054 USA or visit www.sun.com if you need additional information or
    21  * have any questions.
    22  */
    24 /*
    25  * @test
    26  * @bug 4856981
    27  * @summary generics: overridden method gets invoked (bridge method problem)
    28  * @author gafter
    29  *
    30  * @compile -source 1.5 BridgeOrder.java
    31  * @run main BridgeOrder
    32  */
    34 interface A<T> {
    35     public void f(T x);
    36 }
    38 class X {
    39 }
    41 // Moving class B here makes the problem go away
    43 class C<T extends X> extends B<T> implements A<T> {
    45 // This also makes the problem go away.
    46 /*
    47   public void f(T x) {
    48     super.f(x);
    49   } */
    50 }
    52 class B<T extends X> implements A<T> {
    53     public void f(T x) {
    54         System.out.println("B.f()");
    55     }
    56 }
    58 class D extends C<X> {
    59     public void f(X y) {
    60         System.out.println("D.f()");
    61     }
    62 }
    64 public class BridgeOrder {
    65     public static void main(String args[]) {
    66         A<X> x = new D();
    67         x.f(new X());
    68     }
    69 }

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