Update implementation of Server and client

TCPClient.java

+import java.io.*; 
+import java.net.*; 
+class TCPClient { 
+    public static void main(String argv[]) throws Exception { 
+        InetAddress localhost = InetAddress.getLocalHost();
+        String hostname = localhost.getHostName();
+
+        //String sentence; 
+        //String modifiedSentence; 
+        
+        /* BufferedReader inFromUser = 
+        new BufferedReader(new InputStreamReader(System.in, "UTF-8")); */
+
+        Socket clientSocket = new Socket(hostname, 2345); 
+        
+        /* BufferedWriter outToServer = new BufferedWriter(
+        new OutputStreamWriter(clientSocket.getOutputStream(), "UTF-8")); */
+
+        DataOutputStream dataOut = new DataOutputStream(clientSocket.getOutputStream());
+
+        /* BufferedReader inFromServer = new BufferedReader(new 
+        InputStreamReader(clientSocket.getInputStream(), "UTF-8")); */ 
+        
+        //sentence = inFromUser.readLine(); 
+        //outToServer.write(sentence + '\n');
+
+        for(int i = 0; i <= 1000000; i++)
+            dataOut.writeInt(i);
+
+        //outToServer.flush(); 
+        //modifiedSentence = inFromServer.readLine();
+        //System.out.println("FROM SERVER: " + modifiedSentence); 
+        clientSocket.close();
+    }
+}
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TCPServer.java

+import java.io.*; 
+import java.net.*; 
+class TCPServer { 
+    public static void main(String argv[]) throws Exception { 
+        //String clientSentence; 
+        //String capitalizedSentence;
+
+        ServerSocket welcomeSocket = new ServerSocket(2345);
+        int input;
+        while(true) { 
+            Socket connectSocket = welcomeSocket.accept(); 
+            
+            /* BufferedReader inFromClient = 
+            new BufferedReader(new InputStreamReader(connectSocket.getInputStream(),
+            "UTF-8")); */
+
+            DataInputStream dataIn = new DataInputStream(connectSocket.getInputStream());
+            
+            /* BufferedWriter outToClient = new BufferedWriter(
+            new OutputStreamWriter(connectSocket.getOutputStream(), "UTF-8")); */ 
+            
+            //clientSentence = inFromClient.readLine();
+            for(int i = 0; i <= 1000000; i++) {
+                input = dataIn.readInt();
+                if(input != i) {
+                    System.out.println("Error");
+                }
+                // Gilt nur zum Testen ob der Server tatsächlich die Zahlen erhält
+                // Also hier print nur die ersten 99 Zahlen :-)
+                if(i < 100)
+                    System.out.println(input);
+            } 
+            //capitalizedSentence = clientSentence.toUpperCase() + '\n';
+            //outToClient.write(capitalizedSentence);
+            //outToClient.flush();
+            connectSocket.close();
+        }
+    }
+}
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