1 /*
2  * Copyright (c) 2015, 2019, 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 import sun.hotspot.WhiteBox;
26 
27 public class HelloWB {
main(String[] args)28     public static void main(String[] args) throws Throwable {
29         System.out.println("HelloWB.class.getClassLoader() = " + HelloWB.class.getClassLoader());
30 
31         WhiteBox wb = WhiteBox.getWhiteBox();
32         if (wb.isSharedClass(HelloWB.class)) {
33             System.out.println("As expected, HelloWB.class is in shared space.");
34         } else {
35             throw new java.lang.RuntimeException("HelloWB.class should be in shared space.");
36         }
37     }
38 }
39