explicitly catch InterruptedException, rename variable for clarity

examples/src/TcpExamples/Assignment1TCPExample3ClientChange.java

-package TcpExamples;
-
-import java.io.*;
-import java.net.*;
-
-/**
- * This is Assignment 1 where I have modified the given code from TCPExample3Client
- * -sleep time has been extended to give more time in between loops
- * -Initial print line has been altered to reflect assingnment 1
- * -Loop only runs a finite number of times ,10.
- * Before, we always used telnet (netcat) to connect to the server. Here we are 
- * now writing our own program to do the connection.
- *
- * As you will see, when we run this after we start the server we will see the
- * same string telnet printed, sent by the server. The output at the server will
- * show different socket pairs for each time the loop iterates.
- *
- * @author mcgredo
- * @author brutzman
- */
-public class Assignment1TCPExample3ClientChange {
-
-    /** IPv6 String constant for localhost address, similarly IPv4 127.0.0.1
-     * @see <a href="https://en.wikipedia.org/wiki/localhost">https://en.wikipedia.org/wiki/localhost</a>
-     * @see <a href="https://en.wikipedia.org/wiki/IPv6_address">https://en.wikipedia.org/wiki/IPv6_address</a> 
-     */
-    public final static String LOCALHOST = "0:0:0:0:0:0:0:1";
-
-    /**
-     * Program invocation, execution starts here
-     * @param args command-line arguments
-     */
-    public static void main(String[] args) throws InterruptedException {
-        
-        // Local variables/fields
-        Socket socket = null;
-        InputStream is;
-        Reader isr;
-        BufferedReader br;
-        String serverMessage;
-        int clientLoopCount = 0;
-        int numbLoops = 10;
-        
-        try {
-            while (clientLoopCount < numbLoops)
-            {
-                clientLoopCount++; // increment at beginning of loop for reliability
-                System.out.println(Assignment1TCPExample3ClientChange.class.getName() + " creating socket...");
-
-                // We request an IP to connect to ("localhost") and
-                // port number at that IP (2317). This establishes
-                // 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?
-
-                // Now hook everything up (i.e. set up the streams), Java style:
-                is  = socket.getInputStream();
-                isr = new InputStreamReader(is);
-                br  = new BufferedReader(isr);
-
-                // Read a single line written by the server. We'd
-                // do things a bit differently if there were many lines to be read
-                // from the server instead of one only.
-                serverMessage = br.readLine();
-                System.out.println("======================Assignment1===========================");
-                       
-                System.out.print  ("Client loop " + clientLoopCount + ": ");
-                System.out.println("now we're talking!");
-                System.out.println("The message the server sent was: '" + serverMessage + "'");
-                // socket gets closed, either automatically/silently by this code (or possibly by the server)
-                
-                Thread.sleep(800l); // slow things down, for example 500l (long) = 500 msec
-                
-            } // end while(true) // infinite loops are dangerous, be sure to kill this process!
-        } 
-        catch (IOException e)
-        {
-            System.err.println("Problem with " + TcpExample3Client.class.getName() + " networking:"); // describe what is happening
-            System.err.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.err.println("*** Be sure to stop any other running instances of programs using this port!");
-            }
-        }
-        finally // occurs after any other activity when shutting down
-        {
-            try {
-                if (socket != null)
-                    socket.close();
-            } catch (IOException e) {}
-            
-            // program exit: tell somebody about that happening.  Likely cause: server drops connection.
-            System.out.println();
-            System.out.println(TcpExample3Client.class.getName() + " exit");
-        }
-    }
-}
+package TcpExamples;
+
+import java.io.*;
+import java.net.*;
+
+/**
+ * This is Assignment 1 where I have modified the given code from TCPExample3Client
+ * -sleep time has been extended to give more time in between loops
+ * -Initial print line has been altered to reflect assingnment 1
+ * -Loop only runs a finite number of times ,10.
+ * Before, we always used telnet (netcat) to connect to the server. Here we are 
+ * now writing our own program to do the connection.
+ *
+ * As you will see, when we run this after we start the server we will see the
+ * same string telnet printed, sent by the server. The output at the server will
+ * show different socket pairs for each time the loop iterates.
+ *
+ * @author mcgredo
+ * @author brutzman
+ */
+public class Assignment1TCPExample3ClientChange {
+
+    /** IPv6 String constant for localhost address, similarly IPv4 127.0.0.1
+     * @see <a href="https://en.wikipedia.org/wiki/localhost">https://en.wikipedia.org/wiki/localhost</a>
+     * @see <a href="https://en.wikipedia.org/wiki/IPv6_address">https://en.wikipedia.org/wiki/IPv6_address</a> 
+     */
+    public final static String LOCALHOST = "0:0:0:0:0:0:0:1";
+
+    /**
+     * Program invocation, execution starts here
+     * @param args command-line arguments
+     */
+    public static void main(String[] args)
+    {    
+        // Local variables/fields
+        Socket socket = null;
+        InputStream is;
+        Reader isr;
+        BufferedReader br;
+        String serverMessage;
+        int clientLoopCount = 0;
+        int numberOfLoops = 10;
+        
+        try {
+            while (clientLoopCount < numberOfLoops)
+            {
+                clientLoopCount++; // increment at beginning of loop for reliability
+                System.out.println(Assignment1TCPExample3ClientChange.class.getName() + " creating socket...");
+
+                // We request an IP to connect to ("localhost") and
+                // port number at that IP (2317). This establishes
+                // 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?
+
+                // Now hook everything up (i.e. set up the streams), Java style:
+                is  = socket.getInputStream();
+                isr = new InputStreamReader(is);
+                br  = new BufferedReader(isr);
+
+                // Read a single line written by the server. We'd
+                // do things a bit differently if there were many lines to be read
+                // from the server instead of one only.
+                serverMessage = br.readLine();
+                System.out.println("======================Assignment1===========================");
+                       
+                System.out.print  ("Client loop " + clientLoopCount + ": ");
+                System.out.println("now we're talking!");
+                System.out.println("The message the server sent was: '" + serverMessage + "'");
+                // socket gets closed, either automatically/silently by this code (or possibly by the server)
+                
+                Thread.sleep(800l); // slow things down, for example 500l (long) = 500 msec
+                
+            } // end while(true) // infinite loops are dangerous, be sure to kill this process!
+        } 
+        catch (IOException | InterruptedException e)
+        {
+            System.err.println("Problem with " + TcpExample3Client.class.getName() + " networking:"); // describe what is happening
+            System.err.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.err.println("*** Be sure to stop any other running instances of programs using this port!");
+            }
+        }
+        finally // occurs after any other activity when shutting down
+        {
+            try {
+                if (socket != null)
+                    socket.close();
+            } catch (IOException e) {}
+            
+            // program exit: tell somebody about that happening.  Likely cause: server drops connection.
+            System.out.println();
+            System.out.println(TcpExample3Client.class.getName() + " exit");
+        }
+    }
+}