parameterize host address

examples/src/UdpMulticastHttpExamples/HttpWebPageSource.java

@@ -23,9 +23,11 @@ public class HttpWebPageSource {
            System.out.println("Reference:  https://tools.ietf.org/html/rfc7230");
            System.out.println();
            
-           // We request an IP to connect to a web server running on port 80.
+           // We request an IP to connect to a web server running on default http port 80.
            
-           Socket socket = new Socket("www.MovesInstitute.org", 80); 
+           String WEB_ADDRESS = "www.nps.edu";
+           System.out.println("New socket WEB_ADDRESS=" + WEB_ADDRESS);
+           Socket socket = new Socket(WEB_ADDRESS, 80); // compare alternative: https on port 443
            
            // we send a command to the web server, asking for what
            // we want. Note that the format for the command is very
@@ -34,7 +36,7 @@ public class HttpWebPageSource {
            PrintStream  ps = new PrintStream(os);
 		   
 		   String message = "GET /index.html HTTP/1.0";
-           ps.print(message);
+           ps.print(message); // to socket
            System.out.println(message);
            System.out.println();