1/* 2 * Copyright (c) 2014, 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 8039214 27 * @summary Nested generic methods that work on wildcard-parameterized types 28 * @compile NestedWildcards.java 29 * @compile -Xlint:-options -source 7 NestedWildcards.java 30 */ 31 32public class NestedWildcards { 33 34 public static void test(Box<String> b) { 35 foo(bar(b)); 36 } 37 private static <X> Box<? extends X> foo(Box<? extends X> ts) { 38 return null; 39 } 40 public static <Y> Box<? extends Y> bar(Box<? extends Y> language) { 41 return null; 42 } 43 44 interface Box<T> {} 45} 46