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test/tools/javac/generics/BridgeOrder.java@93012e2a5d1d (annotated)

test/tools/javac/generics/BridgeOrder.java

Sat, 07 Nov 2020 10:30:02 +0800

author

aoqi

date

Sat, 07 Nov 2020 10:30:02 +0800

changeset 3938

93012e2a5d1d

parent 2525

2eb010b6cb22

permissions

-rw-r--r--

Added tag mips-jdk8u275-b01 for changeset eb6ee6a5f2fe

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 4856981
aoqi@0	27	* @summary generics: overridden method gets invoked (bridge method problem)
aoqi@0	28	* @author gafter
aoqi@0	29	*
aoqi@0	30	* @compile BridgeOrder.java
aoqi@0	31	* @run main BridgeOrder
aoqi@0	32	*/
aoqi@0	33
aoqi@0	34	interface A<T> {
aoqi@0	35	public void f(T x);
aoqi@0	36	}
aoqi@0	37
aoqi@0	38	class X {
aoqi@0	39	}
aoqi@0	40
aoqi@0	41	// Moving class B here makes the problem go away
aoqi@0	42
aoqi@0	43	class C<T extends X> extends B<T> implements A<T> {
aoqi@0	44
aoqi@0	45	// This also makes the problem go away.
aoqi@0	46	/*
aoqi@0	47	public void f(T x) {
aoqi@0	48	super.f(x);
aoqi@0	49	} */
aoqi@0	50	}
aoqi@0	51
aoqi@0	52	class B<T extends X> implements A<T> {
aoqi@0	53	public void f(T x) {
aoqi@0	54	System.out.println("B.f()");
aoqi@0	55	}
aoqi@0	56	}
aoqi@0	57
aoqi@0	58	class D extends C<X> {
aoqi@0	59	public void f(X y) {
aoqi@0	60	System.out.println("D.f()");
aoqi@0	61	}
aoqi@0	62	}
aoqi@0	63
aoqi@0	64	public class BridgeOrder {
aoqi@0	65	public static void main(String args[]) {
aoqi@0	66	A<X> x = new D();
aoqi@0	67	x.f(new X());
aoqi@0	68	}
aoqi@0	69	}