mcimadamore@59: /*
mcimadamore@59:  * Copyright 2008 Sun Microsystems, Inc.  All Rights Reserved.
mcimadamore@59:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
mcimadamore@59:  *
mcimadamore@59:  * This code is free software; you can redistribute it and/or modify it
mcimadamore@59:  * under the terms of the GNU General Public License version 2 only, as
mcimadamore@59:  * published by the Free Software Foundation.
mcimadamore@59:  *
mcimadamore@59:  * This code is distributed in the hope that it will be useful, but WITHOUT
mcimadamore@59:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
mcimadamore@59:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
mcimadamore@59:  * version 2 for more details (a copy is included in the LICENSE file that
mcimadamore@59:  * accompanied this code).
mcimadamore@59:  *
mcimadamore@59:  * You should have received a copy of the GNU General Public License version
mcimadamore@59:  * 2 along with this work; if not, write to the Free Software Foundation,
mcimadamore@59:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
mcimadamore@59:  *
mcimadamore@59:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
mcimadamore@59:  * CA 95054 USA or visit www.sun.com if you need additional information or
mcimadamore@59:  * have any questions.
mcimadamore@59:  */
mcimadamore@59: 
mcimadamore@59: /*
mcimadamore@59:  * @test
mcimadamore@59:  * @bug     6294779
mcimadamore@59:  * @summary Problem with interface inheritance and covariant return types
mcimadamore@59:  * @author  Maurizio Cimadamore
mcimadamore@59:  * @compile T6294779b.java
mcimadamore@59:  */
mcimadamore@59: 
mcimadamore@59: import java.util.*;
mcimadamore@59: 
mcimadamore@59: class T6294779b {
mcimadamore@59: 
mcimadamore@59:     interface I1<E> {
mcimadamore@59:         List<E> m();
mcimadamore@59:     }
mcimadamore@59: 
mcimadamore@59:     interface I2<E> {
mcimadamore@59:         Queue<E> m();
mcimadamore@59:     }
mcimadamore@59: 
mcimadamore@59:     interface I3<E> {
mcimadamore@59:         LinkedList<E> m();
mcimadamore@59:     }
mcimadamore@59: 
mcimadamore@59:     interface I4<E> extends I1<E>, I2<E>, I3<E> {}
mcimadamore@59: }