1 /*
   2  * Copyright (c) 2013, 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 public class Invoker {
  25     /**
  26      * Use a method handle to invoke m.
  27      */
  28     public static void invoke() {
  29         MyFunctionalInterface fi = null;
  30         fi = new MethodSupplier()::<Integer, String, Long>m;
  31         fi.invokeMethodReference();
  32     }
  33     /**
  34      * Invoke m directly.
  35      */
  36     public static void invoke2() {
  37         MethodSupplier ms = new MethodSupplier();
  38         ms.m();
  39     }
  40 }
  41 
  42 interface MyFunctionalInterface {
  43        void invokeMethodReference();
  44 }