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1   /*
2    * junixsocket
3    *
4    * Copyright 2009-2024 Christian Kohlschütter
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.newsclub.net.unix.demo.rmi.services;
19  
20  import java.io.IOException;
21  import java.rmi.Remote;
22  
23  /**
24   * A very simple "hello world" service.
25   *
26   * @author Christian Kohlschütter
27   */
28  public interface HelloWorld extends Remote {
29    /**
30     * Returns "Hello".
31     *
32     * @return "Hello"
33     * @throws IOException if the operation fails.
34     */
35    String hello() throws IOException;
36  
37    /**
38     * Returns "World" (or something else?).
39     *
40     * @return "World" (usually)
41     * @throws IOException if the operation fails.
42     */
43    String world() throws IOException;
44  }