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TextChatServer
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TextChatServer
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import java.io.*;
import java.net.*;
public class TextChatServer {
private ServerSocket serverSocket;
public TextChatServer(int port) {
try {
serverSocket = new ServerSocket(port);
System.out.println("Server started on port " + port);
while (true) {
Socket clientSocket = serverSocket.accept();
System.out.println("New client connected: " + clientSocket.getInetAddress().getHostAddress());
new ClientHandler(clientSocket).start();
}
} catch (IOException e) {
e.printStackTrace();
}
}
private static class ClientHandler extends Thread {
private Socket clientSocket;
private BufferedReader in;
private PrintWriter out;
public ClientHandler(Socket socket) {
clientSocket = socket;
try {
in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
out = new PrintWriter(clientSocket.getOutputStream(), true);
} catch (IOException e) {
e.printStackTrace();
}
}
public void run() {
try {
String inputLine;
while ((inputLine = in.readLine()) != null) {
System.out.println("Message from client: " + inputLine);
out.println("Server received: " + inputLine);
}
in.close();
out.close();
clientSocket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
public static void main(String[] args) {
new TextChatServer(12345);
}
}
import java.io.*;
import java.net.*;
public class TextChatClient {
private Socket socket;
private BufferedReader in;
private PrintWriter out;
private BufferedReader userInput;
public TextChatClient(String serverAddress, int port) {
try {
socket = new Socket(serverAddress, port);
System.out.println("Connected to server: " + socket.getInetAddress().getHostAddress());
in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
out = new PrintWriter(socket.getOutputStream(), true);
userInput = new BufferedReader(new InputStreamReader(System.in));
startSendingMessages();
startReceivingMessages();
} catch (IOException e) {
e.printStackTrace();
}
}
private void startSendingMessages() {
Thread senderThread = new Thread(() -> {
try {
String userMessage;
while ((userMessage = userInput.readLine()) != null) {
out.println(userMessage);
}
} catch (IOException e) {
e.printStackTrace();
}
});
senderThread.start();
}
private void startReceivingMessages() {
Thread receiverThread = new Thread(() -> {
try {
String serverMessage;
while ((serverMessage = in.readLine()) != null) {
System.out.println("Server: " + serverMessage);
}
} catch (IOException e) {
e.printStackTrace();
}
});
receiverThread.start();
}
public static void main(String[] args) {
new TextChatClient("localhost", 12345);
}
}