1 /* 2 * Copyright 2001-2003 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 4468840 27 * @summary generics problem with casting 28 * @author gafter 29 * 30 * @compile Casting.java 31 */ 32 33 package test.tools.javac.generics.Casting; 34 35 class Test {} 36 37 class List<T> { 38 <T> T[] toArray(T[] a) { return null; } 39 } 40 41 public class Casting { 42 public static void main(String[] args) { 43 List<Test> l1 = null; 44 List<Test> l2 = (List<Test>)l1; 45 } 46 } 47 48 interface Map<K,V> { 49 void put(K k, V v); 50 V get(Object o); 51 } 52 interface Set<T> { 53 <T> T[] toArray(T[] a); 54 } 55 56 class Casting2 { 57 public static void main(String[] args){ 58 Map<Integer,Set<Integer>> map = null; 59 if (map.get(new Integer(1)) == map.get(new Integer(2))) ; 60 } 61 }