1  ////////////////////////////// PersonTalk.java \\\\\\\\\\\\\\\\\\\\\\\\\\\\\
   
 2  import java.rmi.*;
   
 3  interface PersonTalk extends Remote {
 4     void meet( PersonTalk other ) throws RemoteException;
 5     void talk()   throws RemoteException;
 6     void listen() throws RemoteException;
 7  }
   
 8  //////////////////////////// PersonTalkImpl.java \\\\\\\\\\\\\\\\\\\\\\\\\\\
   
 9  import java.rmi.*;
10  import java.rmi.server.*;
   
11  public class PersonTalkImpl extends    UnicastRemoteObject
12                              implements PersonTalk {
13     private String     name;
14     private PersonTalk other;
   
15     public PersonTalkImpl( String n ) throws RemoteException {
16        name = n;
17        System.out.println( name + " created" );
18     }
19     public PersonTalkImpl( String n, PersonTalk o ) throws RemoteException {
20        this( n );
21        meet( o );
22        o.meet( this );
23     }
24     public void meet( PersonTalk o ) {
25        other = o;
26     }
27     public void talk() throws RemoteException {
28        System.out.println( name + " is talking" );
29        other.listen();
30     }
31     public void listen() {
32        System.out.println( name + " is listening" );
33  }  }
   
34  /////////////////////////// PersonTalkServer.java \\\\\\\\\\\\\\\\\\\\\\\\\\
   
35  import java.rmi.*;
36  import java.rmi.server.*;
   
37  public class PersonTalkServer {
38     public static void main( String[] args ) {
39        System.setSecurityManager( new RMISecurityManager() );
40        try {
41           PersonTalk obj = new PersonTalkImpl( "Barney" );
42           Naming.rebind( "Barney", obj );
43           System.out.println( "Barney bound" );
44        } catch (Exception ex ) { System.out.println( ex ); }
45  }  }
   
46  // Barney created
47  // Barney bound
48  // Barney is listening
49  // Barney is talking
   
50  /////////////////////////// PersonTalkClient.java \\\\\\\\\\\\\\\\\\\\\\\\\\
   
51  import java.rmi.*;
52  import java.rmi.server.*;
   
53  public class PersonTalkClient {
54     public static void main( String[] args ) {
55        System.setSecurityManager( new RMISecurityManager() );
56        String url = "rmi:///";
57        try {
58           PersonTalk barney = (PersonTalk) Naming.lookup( url + "Barney" );
59           PersonTalk fred   = new PersonTalkImpl( "Fred", barney );
60           fred.talk();
61           barney.talk();
62        } catch (Exception ex ) { System.out.println( ex ); }
63  }  }
   
64  // Fred created
65  // Fred is talking
66  // Fred is listening