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  */
  23 
  24 /*
  25  * @test
  26  * @bug 4856981
  27  * @summary generics: overridden method gets invoked (bridge method problem)
  28  * @author gafter
  29  *
  30  * @compile  BridgeOrder.java
  31  * @run main BridgeOrder
  32  */
  33 
  34 interface A<T> {
  35     public void f(T x);
  36 }
  37 
  38 class X {
  39 }
  40 
  41 // Moving class B here makes the problem go away
  42 
  43 class C<T extends X> extends B<T> implements A<T> {
  44 
  45 // This also makes the problem go away.
  46 /*
  47   public void f(T x) {
  48     super.f(x);
  49   } */
  50 }
  51 
  52 class B<T extends X> implements A<T> {
  53     public void f(T x) {
  54         System.out.println("B.f()");
  55     }
  56 }
  57 
  58 class D extends C<X> {
  59     public void f(X y) {
  60         System.out.println("D.f()");
  61     }
  62 }
  63 
  64 public class BridgeOrder {
  65     public static void main(String args[]) {
  66         A<X> x = new D();
  67         x.f(new X());
  68     }
  69 }