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 
25 public class Invoker {
26     /**
27      * Use a method handle to invoke m.
28      */
invoke()29     public static void invoke() {
30         MyFunctionalInterface fi = null;
31         fi = new MethodSupplier()::<Integer, String, Long>m;
32         fi.invokeMethodReference();
33     }
34     /**
35      * Invoke m directly.
36      */
invoke2()37     public static void invoke2() {
38         MethodSupplier ms = new MethodSupplier();
39         ms.m();
40     }
41 }
42 
43 interface MyFunctionalInterface {
invokeMethodReference()44        void invokeMethodReference();
45 }
46