Java sockets

[Camzie]

Hi there

I need help with java sokets!

I want to know if my code is correct
//
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Here is my code for the Client Socket...

public class TCPClient
{
public static void main(String[] argv) throws Exception
{
String messageFromClient = null;
String messageFromServer = null;

Socket clientSocket = new Socket("localhost", 0000);
System.out.println("Enter in Client: ");

//code needed for keyboard input
//getting user input
BufferedReader inputFromUserOne = new BufferedReader(new InputStreamReader(System.in));
inputFromUserOne.readLine();

//reading the message from user
messageFromClient = inputFromUserOne.readLine();

//sending user input to server
DataOutputStream outToServerOne = new DataOutputStream(clientSocket.getOutputStream());
outToServerOne.writeBytes(messageFromServer);

//getting message back from server
BufferedReader inFromServerOne = new BufferedReader(new InputStreamReader(System.in));
inFromServerOne.readLine();

outToServerOne.writeBytes(messageFromClient + '\n');
messageFromServer = inFromServerOne.readLine();

System.out.println("Welcome " + inputFromUserOne);

///////////////////////////////////////////////////////////////////////////////
System.out.println("Enter in Host: ");

//code needed for keyboard input
//getting user input
BufferedReader inputFromUserTwo = new BufferedReader(new InputStreamReader(System.in));
inputFromUserTwo.readLine();

//reading the message from user
messageFromClient = inputFromUserOne.readLine();

//sending user input to server
DataOutputStream outToServerTwo = new DataOutputStream(clientSocket.getOutputStream());
outToServerTwo.writeBytes(messageFromServer);

//getting message back from server
BufferedReader inFromServerTwo = new BufferedReader(new InputStreamReader(System.in));
inFromServerTwo.readLine();

outToServerOne.writeBytes(messageFromClient + '\n');
messageFromServer = inFromServerTwo.readLine();

System.out.println("Host: " + inputFromUserTwo);

///////////////////////////////////////////////////////////////////////////////
System.out.println("Enter in Mac Address: ");

//code needed for keyboard input
//getting user input
BufferedReader inputFromUserThree = new BufferedReader(new InputStreamReader(System.in));
inputFromUserThree.readLine();

//reading the message from user
messageFromClient = inputFromUserOne.readLine();

//sending user input to server
DataOutputStream outToServerThree = new DataOutputStream(clientSocket.getOutputStream());
outToServerThree.writeBytes(messageFromServer);

//getting message back from server
BufferedReader inFromServerThree = new BufferedReader(new InputStreamReader(System.in));
inFromServerThree.readLine();

outToServerOne.writeBytes(messageFromClient + '\n');
messageFromServer = inFromServerThree.readLine();

System.out.println("Mac Address: " + inputFromUserThree);

System.out.println("From Server: " + messageFromServer);
clientSocket.close();
}
}
//
//
//
//
//
Here is my code for the Server Socket...


public class TCPServer
{
public static void main(String [] args) throws IOException
{
String clientMessage;
String serverMessage;
ServerSocket welcomeSocket = new ServerSocket(1234);

while (true)
{
Socket connectionSocket = welcomeSocket.accept();
BufferedReader inFromClient = new BufferedReader(new InputStreamReader(connectionSocket.getInputStream( )));

DataOutputStream outToClient = new DataOutputStream(connectionSocket.getOutputStream( ));

clientMessage = inFromClient.readLine();

serverMessage = inFromClient.readLine() + '\n';

outToClient.writeBytes(serverMessage);
}
}
}
//
//
//
//
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Here is my code for the Connection Socket...

public class TCPConnection
{
Socket connection = null;
String address = "198.168.199.162";

public static void main(String[] args) throws Exception
{
int serverPort = 0;
ServerSocket ss = new ServerSocket(serverPort);
Socket socket = new Socket();
socket = ss.accept();
}

private ObjectOutputStream out;
private ObjectInputStream in;
String message;

void run() throws IOException
{
ServerSocket providerSocket = null;
try
{
//creating a server socket
providerSocket = new ServerSocket();

//wait for connection
System.out.println("Waiting for connection");
connection = providerSocket.accept();
System.out.println("Connection received from " + connection.getInetAddress().getHostName());

//get input and output streams
out = new ObjectOutputStream(connection.getOutputStream());
out.flush();
in = new ObjectInputStream(connection.getInputStream());
sendMessage("Connection successful");

//the two parts communicate via the input and output streams

}
catch(IOException ex)
{
ex.printStackTrace();
}
finally
{
//Closing connection
try
{
in.close();
out.close();
providerSocket.close();
}
catch(IOException ex)
{
ex.printStackTrace();
}
}
}

public void sendMessage(String string) throws IOException
{
try
{
out.writeObject(message);
out.flush();
System.out.println("Server: " + message);
}
catch(IOException ex)
{
ex.printStackTrace();
}

}
}
//
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If someone could please help me
I'll appreciate it

Thanx
Camzie

[dswastik]

First of all use code tags to paste your code, or else it is not at all readable. I guess you are the best person to judge whether the code is correct or not by executing it.

[Camzie]

Thanx alot
Camzie

[Eranga]

Yes compile your code and run it. Then see what happen. If you comes with any error in your code, then read the error message carefully. Seems you are using NetBeans, and it display the error in nicer way(like most of other IDEs do).