81 lines
2.2 KiB
Java
81 lines
2.2 KiB
Java
/*
|
|
* Copyright (c) 1997, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
/*
|
|
* @test
|
|
* @bug 4047816
|
|
* @summary certain inheritance patterns involving methods defined in
|
|
* Object used to cause spurious error messages.
|
|
* @author turnidge
|
|
*
|
|
* @compile CloneableProblem.java
|
|
*/
|
|
|
|
interface A extends Cloneable
|
|
{
|
|
public Object clone() throws CloneNotSupportedException;
|
|
}
|
|
interface B extends A
|
|
{ }
|
|
interface C extends A
|
|
{ }
|
|
interface D extends B, C
|
|
{ }
|
|
|
|
public class CloneableProblem implements D
|
|
{
|
|
private int i;
|
|
public CloneableProblem(int i)
|
|
{
|
|
this.i = i;
|
|
}
|
|
public Object clone()
|
|
{
|
|
CloneableProblem theCloneableProblem = null;
|
|
try
|
|
{
|
|
theCloneableProblem = (CloneableProblem) super.clone();
|
|
theCloneableProblem.i = i;
|
|
}
|
|
catch (CloneNotSupportedException cnse)
|
|
{ }
|
|
return theCloneableProblem;
|
|
}
|
|
public static void main(String argv[])
|
|
{
|
|
try
|
|
{
|
|
A a0 = new CloneableProblem(0);
|
|
A a1 = (A) a0.clone();
|
|
B b0 = new CloneableProblem(0);
|
|
B b1 = (B) b0.clone();
|
|
C c0 = new CloneableProblem(0);
|
|
C c1 = (C) c0.clone();
|
|
D d0 = new CloneableProblem(0);
|
|
D d1 = (D) d0.clone();
|
|
}
|
|
catch (CloneNotSupportedException cnse)
|
|
{ }
|
|
}
|
|
}
|