1 /*
   2  * Copyright (c) 2010, 2018, 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 // A simple class to extend an abstract class and get loaded with different
  26 // loaders. This class is loaded via the bootstrap loader. A similar named class will
  27 // be loaded via Loader2.
  28 public class LE2_D_ambgs extends LE2_C {
  29 
  30     // We are loaded by the bootstrap loader. iface is an object of a class
  31     // loaded by Loader2. As it references LE2_D_ambgs, Loader2 will trigger
  32     // loading the version known to it, which differs from this one.
  33     public LE2_D_ambgs[] make(LE2_A iface) {
  34         // This function needs to return a value known to be loaded from Loader2.
  35         // Since I need to use a yet different loader, I need to make an unknown
  36         // foreign call. In this case I'll be using an interface to make the
  37         // unknown call, with but a single implementor so the compiler can do the
  38         // upcast statically.
  39         return iface == null ? null : iface.gen();
  40     }
  41 }