MultiClienttoClient(Client.java)

package Client;


import java.io.*;
import java.net.Socket;
import java.util.Scanner;

public class Client {
    private Socket socket;
    private BufferedReader bufferedReader;
    private BufferedWriter bufferedWriter;

    private String username;

    public Client(Socket socket, String username){
        try{
            this.socket = socket;
            this.bufferedWriter = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
            this.bufferedReader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            this.username = username;
        } catch (IOException e){
            closeEverything(socket, bufferedReader, bufferedWriter);

        }
    }

    public void sendMessage(){
        try{
            bufferedWriter.write(username);
            bufferedWriter.newLine();
            bufferedWriter.flush();

            Scanner sc = new Scanner(System.in);
            while(socket.isConnected()){
                String messageToSend = sc.nextLine();
                bufferedWriter.write(username + ": " + messageToSend);
                bufferedWriter.newLine();
                bufferedWriter.flush();
            }

        } catch(IOException e){
            closeEverything(socket, bufferedReader, bufferedWriter);

        }
    }

    public void listenForMessage(){
        new Thread(new Runnable() {
            @Override
            public void run() {
                String msgFromGroupChat;

                while(socket.isConnected()){
                    try{
                        msgFromGroupChat = bufferedReader.readLine();
                        System.out.println(msgFromGroupChat);
                    } catch(IOException e){
                        closeEverything(socket, bufferedReader, bufferedWriter);
                    }
                }
            }
        }).start();
    }

    public void closeEverything(Socket socket, BufferedReader bufferedReader, BufferedWriter bufferedWriter){
        try{
            if(bufferedReader != null){
                bufferedReader.close();
            }
            if(bufferedWriter != null){
                bufferedWriter.close();
            }
            if(socket != null){
                socket.close();
            }

        } catch(IOException e){
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("Enter your username for the chat: ");
        String username = sc.nextLine();
        Socket socket = null;
        try {
            socket = new Socket("localhost", 5001);
        } catch (IOException e) {
            System.out.println(e);
        }
        Client client = new Client(socket,username);
        client.listenForMessage();
        client.sendMessage();
    }
}