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 }