1 /*
2 * Copyright (c) 2003, 2015, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.lang.reflect;
27
28 /**
29 * WildcardType represents a wildcard type expression, such as
30 * {@code ?}, {@code ? extends Number}, or {@code ? super Integer}.
31 *
32 * @since 1.5
33 */
34 public interface WildcardType extends Type {
35 /**
36 * Returns an array of {@code Type} objects representing the upper
37 * bound(s) of this type variable. If no upper bound is
38 * explicitly declared, the upper bound is {@code Object}.
39 *
40 * <p>For each upper bound B :
41 * <ul>
42 * <li>if B is a parameterized type or a type variable, it is created,
43 * (see {@link java.lang.reflect.ParameterizedType ParameterizedType}
44 * for the details of the creation process for parameterized types).
45 * <li>Otherwise, B is resolved.
46 * </ul>
47 *
48 * @return an array of Types representing the upper bound(s) of this
49 * type variable
50 * @throws TypeNotPresentException if any of the
51 * bounds refers to a non-existent type declaration
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1 /*
2 * Copyright (c) 2003, 2020, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.lang.reflect;
27
28 /**
29 * WildcardType represents a wildcard type expression, such as
30 * {@code ?}, {@code ? extends Number}, or {@code ? super Integer}.
31 *
32 * @jls 4.5.1 Type Arguments of Parameterized Types
33 * @since 1.5
34 */
35 public interface WildcardType extends Type {
36 /**
37 * Returns an array of {@code Type} objects representing the upper
38 * bound(s) of this type variable. If no upper bound is
39 * explicitly declared, the upper bound is {@code Object}.
40 *
41 * <p>For each upper bound B :
42 * <ul>
43 * <li>if B is a parameterized type or a type variable, it is created,
44 * (see {@link java.lang.reflect.ParameterizedType ParameterizedType}
45 * for the details of the creation process for parameterized types).
46 * <li>Otherwise, B is resolved.
47 * </ul>
48 *
49 * @return an array of Types representing the upper bound(s) of this
50 * type variable
51 * @throws TypeNotPresentException if any of the
52 * bounds refers to a non-existent type declaration
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