diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework2/Goericke/GoerickeClient.java b/assignments/src/MV3500Cohort2020JulySeptember/homework2/Goericke/GoerickeClient.java
new file mode 100644
index 0000000000000000000000000000000000000000..092a90ba4ddbd267e7aa0eccc98a4b70f25c3663
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework2/Goericke/GoerickeClient.java
@@ -0,0 +1,75 @@
+package MV3500Cohort2020JulySeptember.homework2.Goericke;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.net.Socket;
+
+/**
+ *
+ * @author stefa
+ */
+public class GoerickeClient {
+
+ // IPv6 String constant for localhost address, similarly IPv4 127.0.0.1
+ public final static String LOCALHOST = "0:0:0:0:0:0:0:1";
+
+ public static void main(String[] args) {
+
+ // Local vars/fields
+ Socket socket;
+ InputStream is;
+ InputStreamReader isr;
+ BufferedReader br;
+ String serverMessage;
+
+ try {
+ while (true) {
+ System.out.println("\nGoerickeClient 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?
+
+ // thats my input stream
+ 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("The message the server sent was: '" + serverMessage + "'");
+ // socket gets closed, either automatically/silently by this code (or possibly by the server)
+ if (serverMessage.contentEquals("Welcome, how are you !!!")) {
+ System.out.println("What a nice and friendly server");
+ } else if (serverMessage.contentEquals("Still alive there ?")){
+ System.out.println("Yes, I am ... still .... where else should I be");
+ } else{
+ System.out.println("Seems he does not have anything to tell");
+ }
+
+ } // end while(true)
+ } catch (IOException e) {
+ System.err.println("Problem with TcpExample3ServerClient 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 {
+
+ // program exit: tell somebody about that
+ System.out.println("\nclient exit");
+ }
+ }
+}
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework2/Goericke/GoerickeServer.java b/assignments/src/MV3500Cohort2020JulySeptember/homework2/Goericke/GoerickeServer.java
new file mode 100644
index 0000000000000000000000000000000000000000..b85a12b0e2d5d8a17eeea248b8b23c5c37e9c533
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework2/Goericke/GoerickeServer.java
@@ -0,0 +1,102 @@
+package MV3500Cohort2020JulySeptember.homework2.Goericke;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.PrintStream;
+import java.net.InetAddress;
+import java.net.ServerSocket;
+import java.net.Socket;
+
+/**
+ * This runable sets up a TCP/IP server for use with a client coded
+ * within MV3500 - Homework 2.
+ * @author stefan goericke */
+public class GoerickeServer {
+
+
+ private static String getLogo(){
+ String masterString = " ######### ###### # #\r\n";
+ masterString = masterString + " # # # #\r\n";
+ masterString = masterString + " # ###### # #\r\n";
+ masterString = masterString + " # # # #\r\n";
+ masterString = masterString + " # ###### #\r\n\n\n";
+ return masterString;
+ }
+
+
+ /**
+ * @param args the command line arguments
+ */
+ public static void main(String[] args) {
+ System.out.print(getLogo());
+ try {
+
+ // ServerSocket waits for a connection from a client.
+ // Notice that it is outside the loop; ServerSocket
+ // needs to be made only once.
+ System.out.println("GoerickeServer has started... "); // it helps debugging to put this on console first
+ ServerSocket serverSocket = new ServerSocket(2317);
+ OutputStream os;
+ PrintStream ps;
+ InetAddress localAddress, remoteAddress;
+ int localPort, remotePort;
+
+ // Server is up and waiting (i.e. "blocked" or paused)
+ // Loop, infinitely, waiting for client connections.
+ // Stop the program somewhere else.
+ int counter = 0;
+ while (true) {
+
+ // block until connected to a client
+ try (Socket clientConnectionSocket = serverSocket.accept()) {
+ counter++;
+ // my output stream
+ os = clientConnectionSocket.getOutputStream();
+ ps = new PrintStream(os);
+
+
+ if (counter==1){
+ ps.println("Welcome, how are you !!!"); // this gets sent back to client!
+ }
+ else if (counter%10 == 0){
+ ps.println("Still alive there ?");
+ } else {
+ ps.println("----------");
+ }
+
+ // Print some information locally about the Socket connection.
+ // This includes the port and IP numbers on both sides (the socket pair).
+ localAddress = clientConnectionSocket.getLocalAddress();
+ remoteAddress = clientConnectionSocket.getInetAddress();
+ localPort = clientConnectionSocket.getLocalPort();
+ remotePort = clientConnectionSocket.getPort();
+
+ if (( localAddress.getHostName().equals( localAddress.getHostAddress()) ||
+ remoteAddress.getHostName().equals(remoteAddress.getHostAddress())) &&
+ (counter%50==0)){
+ System.out.println("Talking to myself ..... again");
+ } else if (counter%50==0) {
+ System.out.println("Connected to ....");
+ System.out.print("(" + remoteAddress.getHostName() + "=" + remoteAddress.getHostAddress() + ", " + remotePort + " ))");
+ System.out.println();
+ System.out.println("I am ....");
+ System.out.print("(" + localAddress.getHostName() + "=" + localAddress.getHostAddress() + ", " + localPort + " ), ( ");
+ }
+
+ // connection. try w/ resources explicitly ends the connection.
+ ps.flush();
+ }
+ }
+ } catch (IOException e) {
+ System.err.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.err.println("*** Be sure to stop any other running instances of programs using this port!");
+ }
+ }
+ }
+}
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework2/Goericke/Goericke_HW2.pdf b/assignments/src/MV3500Cohort2020JulySeptember/homework2/Goericke/Goericke_HW2.pdf
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index 0000000000000000000000000000000000000000..e8226f4ef9a75b3099df8cadd40129a43186485d
Binary files /dev/null and b/assignments/src/MV3500Cohort2020JulySeptember/homework2/Goericke/Goericke_HW2.pdf differ