/* * Copyright (c) 2001, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 4468840 * @summary generics problem with casting * @author gafter * * @compile Casting.java */ package Casting; class Test {} class List<T> { <T> T[] toArray(T[] a) { return null; } } public class Casting { public static void main(String[] args) { List<Test> l1 = null; List<Test> l2 = (List<Test>)l1; } } interface Map<K,V> { void put(K k, V v); V get(Object o); } interface Set<T> { <T> T[] toArray(T[] a); } class Casting2 { public static void main(String[] args){ Map<Integer,Set<Integer>> map = null; if (map.get(new Integer(1)) == map.get(new Integer(2))) ; } }