consistent diagnostic messages

examples/src/TcpExamples/TcpExample1Telnet.java

@@ -64,7 +64,8 @@ public class TcpExample1Telnet
         }
         catch(IOException e)
         {
-            System.out.println("*** Problem with networking: " + e);
+            System.out.println("Problem with TcpExample1Telnet networking:"); // describe what is happening
+            System.out.println("Error: " + e);
             // Provide more helpful information to user if exception occurs due to running twice at one time
             if (e instanceof java.net.BindException)
                 System.out.println("*** Be sure to stop any other running instances of programs using this port!");

examples/src/TcpExamples/TcpExample2ConnectionCounting.java

@@ -84,7 +84,8 @@ public class TcpExample2ConnectionCounting
        }
         catch(IOException e)
         {
-            System.out.println("problem with networking: " + e);
+            System.out.println("Problem with TcpExample2ConnectionCounting networking:"); // describe what is happening
+            System.out.println("Error: " + e);
             // Provide more helpful information to user if exception occurs due to running twice at one time
             if (e instanceof java.net.BindException)
                 System.out.println("*** Be sure to stop any other running instances of programs using this port!");

examples/src/TcpExamples/TcpExample3Client.java

@@ -46,8 +46,8 @@ public class TcpExample3Client {
 			} // end while(true)
 		} 
 		catch (IOException e) {
-			System.out.println("Problem with client: "); // describe what is happening
-			System.out.println(e);
+			System.out.println("Problem with TcpExample3ServerClient networking:"); // describe what is happening
+            System.out.println("Error: " + e);
             // Provide more helpful information to user if exception occurs due to running twice at one time
             if (e instanceof java.net.BindException)
                 System.out.println("*** Be sure to stop any other running instances of programs using this port!");

examples/src/TcpExamples/TcpExample3Server.java

@@ -73,7 +73,7 @@ public class TcpExample3Server {
 		} 
 		catch (IOException e)
         {
-			System.out.println("problem with networking");
+			System.out.println("Problem with TcpExample3Server networking: " + e);
             // Provide more helpful information to user if exception occurs due to running twice at one time
             if (e instanceof java.net.BindException)
                 System.out.println("*** Be sure to stop any other running instances of programs using this port!");

examples/src/TcpExamples/TcpExample4Client.java

@@ -45,7 +45,7 @@ public class TcpExample4Client
 				long   readTime = System.currentTimeMillis();
 				long timeLength = readTime - startTime;
 
-				System.out.println("TcpExample4Client: message received from server=" + serverMessage);
+				System.out.println("TcpExample4Client: message received from server='" + serverMessage + "'");
 				System.out.println("TcpExample4Client: time msec required for read=" + timeLength);
 				System.out.println("==================================================");
 				// To push this further, launch multiple copies of TcpExample4Client simultaneously
@@ -54,8 +54,8 @@ public class TcpExample4Client
         }
         catch(IOException e)
         {
-            System.out.println("Problem with TcpExample4Client, see exception trace:");
-            System.out.println(e);
+            System.out.println("Problem with TcpExample4Client networking:networking:"); // describe what is happening
+            System.out.println("Error: " + e);
             // Provide more helpful information to user if exception occurs due to running twice at one time
             if (e instanceof java.net.BindException)
                 System.out.println("*** Be sure to stop any other running instances of programs using this port!");

examples/src/TcpExamples/TcpExample4HandlerThread.java

@@ -49,15 +49,15 @@ public class TcpExample4HandlerThread extends Thread
 			 System.out.println("TcpExample4HandlerThread pausing for TIMEOUT=" + TIMEOUT + "ms"); // debug
              Thread.sleep(TIMEOUT); // 10 seconds
                 
-            ps.println("This was written by the server TcpExample4HandlerThread");
+            ps.println("This message was written by the server TcpExample4HandlerThread");
             ps.flush();
             socket.close();
             System.out.println("TcpExample4HandlerThread finished handling a thread, now exit.");
         }
         catch(IOException | InterruptedException e) // either a networking or a threading problem
         {
-            System.out.println("Problem with TcpExample4HandlerThread, see exception trace:");
-            System.out.println(e);
+            System.out.println("Problem with TcpExample4HandlerThread networking:"); // describe what is happening
+            System.out.println("Error: " + e);
             // Provide more helpful information to user if exception occurs due to running twice at one time
             if (e instanceof java.net.BindException)
                 System.out.println("*** Be sure to stop any other running instances of programs using this port!");

examples/src/TcpExamples/TcpExample4ThreadServer.java

@@ -34,7 +34,7 @@ public class TcpExample4ThreadServer {
         }
         catch(IOException e)
         {
-            System.out.println("Problem with TcpExample4ThreadServer, see exception trace:");
+            System.out.println("Problem with TcpExample4ThreadServer networking:"); // describe what is happening
             System.out.println("Error: " + e);
             // Provide more helpful information to user if exception occurs due to running twice at one time
             if (e instanceof java.net.BindException)