/*
 * Copyright 2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

/*
 * @test
 * @bug     6487370
 * @author Maurizio Cimadamore
 * @summary javac incorrectly gives ambiguity warning with override-equivalent abstract inherited methods
 */

public class T6487370 {

    interface I1 {
        String m(Number n);
    }

    interface I2 {
        Object m(Number n);
    }

    static abstract class X implements I1, I2 {
        String test() {
            return m(0.0f);
        }
    }

    static class W extends X {
        public String m(Number n) {
            return "Hello!";
        }
    }

    public static void main(String args[]) {
        System.out.println(new W().test());
    }
}