How to create multiclients chats?

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Java

when creating the code for multiclients, i am having issue in the class named "server therad" and multiclients are not connecting to a server

What I have tried:

"Client"

package multiclients;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Scanner;

public class Client {
	public static String name="";
	public static void main(String[] args) throws UnknownHostException, IOException {
		// TODO Auto-generated method stub

		Scanner p=new Scanner(System.in);
		Socket xx=new Socket("127.0.0.1",2016);
		PrintStream oo=new PrintStream(xx.getOutputStream(),true);
		BufferedReader i=new BufferedReader(new InputStreamReader(System.in));
		while(true)
		{
			System.out.println("Enter input for server");
			String a=i.readLine();
			oo.println(a);
		}
	}
}

"Server"

package multiclients;

import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;

public class Server {

	public static void main(String[] args) throws IOException  {


		new Server().Runserver();

	}
	public void Runserver() throws IOException
	{
		ServerSocket x=new ServerSocket(2016);
		System.out.println("Server up ready for connections");
		while(true)
		{
			Socket ll=x.accept();
			new ServerThread(ll).start();
		}
	}
}

"server thread"

package multiclients;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.Socket;

public class ServerThread extends Thread {

	Socket xx;
	String message=null;
	Client x=new Client();
	ServerThread(Socket sock)
	{
		this.xx=sock;
	}

	public void run()
	{
		try {
			BufferedReader clientmessage=new BufferedReader(new InputStreamReader(xx.getInputStream()));
			while((message=clientmessage.readLine())!=null)
			{
				System.out.println("client message"+" "+message);
			}
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
}