update example and terminal log

CourseExamples/src/TcpExamples/TcpExample1Telnet.java

@@ -30,19 +30,20 @@ import java.net.*;
 public class TcpExample1Telnet 
 {
 
+    @SuppressWarnings("ConvertToTryWithResources")
     public static void main(String[] args) 
     {
         try
         {
-            System.out.println("TcpExample1Telnet has started and is waiting for a connection: telnet localhost 2317" );
+            System.out.println("TcpExample1Telnet has started and is waiting for a connection:");
+            System.out.println("Enter (telnet localhost 2317) or (nc localhost 2317)..." );
 			
             // The ServerSocket waits for a connection from a client.
             // It returns a Socket object when the connection occurs.
             ServerSocket serverSocket = new ServerSocket(2317);
             
             // The Socket object represents the connection between
-            // the server and client, including a full duplex
-            // connection
+            // the server and client, including a full duplex connection
             Socket clientConnection = serverSocket.accept();
             
             // Use Java io classes to write text (as opposed to
@@ -50,16 +51,17 @@ public class TcpExample1Telnet
             OutputStream os = clientConnection.getOutputStream();
             PrintStream ps = new PrintStream(os);
             
-                    ps.println("This client response was written by server TcpExample1"); // to remote client
-            System.out.println("This server response was written by server TcpExample1"); // to server console
+                    ps.println("This client response was written by server TcpExample1."); // to remote clientnc
+            System.out.println("This server response was written by server TcpExample1."); // to server console
             
             // "flush()" in important in that it forces a write 
             // across what is in fact a slow connection
             ps.flush();
             
             clientConnection.close();
+            System.out.println("TcpExample1 completed successfully.");
         }
-        catch(Exception e)
+        catch(IOException e)
         {
             System.out.println("problem with networking: " + e);
         }

CourseExamples/src/TcpExamples/TcpExample1TerminalLog.txt

 Invocation instructions:
 1. run/debug TcpExample1Telnet.java
-2. console:  telnet localhost 2317
+2. console:  nc     localhost 2317
+ alternate:  telnet localhost 2217
 
 Program responses:
 
 ===================================================
 run:
-TcpExample1Telnet has started and is waiting for a connection: telnet localhost 2317
-This server response was written by server TcpExample1
-BUILD SUCCESSFUL (total time: 13 seconds)
+TcpExample1Telnet has started and is waiting for a connection:
+Enter (telnet localhost 2317) or (nc localhost 2317)...
+This server response was written by server TcpExample1.
+TcpExample1 completed successfully.
+BUILD SUCCESSFUL (total time: 5 seconds)
 
-Telnet window:
+===================================================
+netcat window:
+
+brutzman@DESKTOP-2S09UKA /cygdrive/c/Program Files/NetBeans_11.0/bin
+$ nc localhost 2317
+This client response was written by server TcpExample1.
 
 ===================================================
+Telnet window:
+
 don@it154928 /cygdrive/c/Program Files/NetBeans 8.2
 $  telnet localhost 2317                                                                                                                                                                                            
 Trying ::1...
 Connected to localhost.
 Escape character is '^]'.
-This client response was written by server TcpExample1
+This client response was written by server TcpExample1.
 Connection closed by foreign host.
+===================================================