can change hostname (or IP number) to connect to another system

examples/src/TcpExamples/TcpExample3Client.java

@@ -53,7 +53,7 @@ public class TcpExample3Client
                 // a connection to that IP in the form of a Socket
                 // object; the server uses a ServerSocket to wait for
                 // connections.
-                socket = new Socket(LOCALHOST, 2317); // locohost? 
+                socket = new Socket(LOCALHOST, 2317); // can change hostname (or IP number) to connect to another system
 
                 // Now hook everything up (i.e. set up the streams), Java style:
                 is  = socket.getInputStream();