AmbiguousCast2.java revision 288:84061bd68019
1/* 2 * Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 */ 23 24/* 25 * @test 26 * @bug 4856982 27 * @summary generics: unable to cast between two convertible types 28 * @author gafter 29 * 30 * @compile AmbiguousCast2.java 31 */ 32 33import java.lang.ref.*; 34 35class Test<K, V> extends WeakReference<V> { 36 static ReferenceQueue<Integer> queue = new ReferenceQueue<Integer>(); 37 38 public Test(K key, V value, ReferenceQueue<V> queue) { 39 super(value, queue); 40 } 41 42 public static void main(String[] arg) throws Exception { 43 Test<String, Integer> fromQueue = (Test<String, Integer>) queue.remove(); 44 } 45} 46