Broken code, need to figure out flushing

crypto/CryptoSocket.java

@@ -58,7 +58,8 @@ public class CryptoSocket
         this.key = new SecretKeySpec(keybytes, "AES");
 
         try {
-            this.ciphout = Cipher.getInstance("AES/OFB/PKCS5Padding");
+            this.ciphout = Cipher.getInstance("AES/CBC/PCKS5Padding");
+            this.ciphin = Cipher.getInstance("AES/CBC/PKCS5Padding");
         } catch (NoSuchAlgorithmException e) {
             throw new IOException("NoSuchAlgorithmException: " + e.getMessage());
         } catch (NoSuchPaddingException e) {

sample/Main.java

@@ -1,23 +1,53 @@
 package sample;
 
+import crypto.CryptoSocket;
 import javafx.application.Application;
 import javafx.fxml.FXMLLoader;
 import javafx.scene.Parent;
 import javafx.scene.Scene;
 import javafx.stage.Stage;
 
-public class Main extends Application {
-
-    @Override
-    public void start(Stage primaryStage) throws Exception{
-        Parent root = FXMLLoader.load(getClass().getResource("sample.fxml"));
-        primaryStage.setTitle("Hello World");
-        primaryStage.setScene(new Scene(root, 300, 275));
-        primaryStage.show();
-    }
-
+import javax.xml.crypto.Data;
+import java.io.*;
+import java.net.ServerSocket;
+import java.net.Socket;
 
+public class Main
+{
     public static void main(String[] args) {
-        launch(args);
-    }
+            try
+            {
+                ServerSocket sock = new ServerSocket(25519);
+                Socket s = new Socket("127.0.0.1", 25519);
+                System.out.println("launching other thread");
+                new Thread(new Runnable() { public void run() { try
+                {
+                    CryptoSocket csock = new CryptoSocket(sock.accept());
+                    DataOutputStream out = csock.getOutputStream();
+                    DataInputStream in = csock.getInputStream();
+                    out.writeUTF("server->client");
+                    out.flush();
+                    synchronized (System.out)
+                    {
+                        System.out.print("server: ");
+                        System.out.println(in.readUTF());
+                    }
+                } catch (Exception e) {} } }).start();
+                System.out.println("done; connecting socket");
+                CryptoSocket csock = new CryptoSocket(s);
+                DataOutputStream out = csock.getOutputStream();
+                DataInputStream in = csock.getInputStream();
+                out.writeUTF("client->server");
+                out.flush();
+                synchronized (System.out)
+                {
+                    System.out.println("client: ");
+                    System.out.println(in.readUTF());
+                }
+                System.out.println("done");
+            } catch (IOException e)
+            {
+                e.printStackTrace();
+            }
+        }
 }