1 /* 2 * Copyright (c) 2001, 2004, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 4453032 27 * @summary overridden interface method causes the compiler to reject cast 28 * @author gafter 29 * 30 * @compile InterfaceCast1.java 31 */ 32 33 public class InterfaceCast1 { main(String[] args)34 public static void main(String[] args) throws Exception { 35 } 36 } 37 38 interface Collection<E> { toArray(T[] a)39 <T> T[] toArray(T[] a); 40 } 41 42 interface Set<E> extends Collection<E> { toArray(T[] a)43 <T> T[] toArray(T[] a); 44 } 45 46 interface SortedSet<E> extends Set<E> { 47 } 48 49 class TreeSet<E> { addAll(Collection<E> c)50 public void addAll(Collection<E> c) { 51 if (c instanceof SortedSet) { 52 SortedSet<E> ss = (SortedSet<E>) c; 53 } 54 } 55 } 56