Echo Server
import java.io.*;
import java.net.*;
 
public class EchoServer {
 
    public static void main(String[] args) {
        // 
        TODO Auto-generated method stub
 
        System.out.println("Echo server is started");
 
        try (ServerSocket ss = new ServerSocket(8000)) {
 
            Socket client = ss.accept();
 
            System.out.println("We are connected to client");
 
            BufferedReader br = new BufferedReader(new InputStreamReader(client.getInputStream()));
 
            PrintWriter out = new PrintWriter(client.getOutputStream(), true);
            String line;
 
            while ((line = br.readLine()) != null) {
 
                System.out.println("On server: " + line);
 
                out.println(line);
 
            }
 
        } catch (Exception e) {
            e.printStackTrace();
 
        }
    }
}
 
import java.net.*;
import java.util.Scanner;
import java.io.*;
public class EchoCLient {
 
public static void main(String[] args) throws IOException {
// TODO Auto-generated method stub
System.out.println("Echo client is started");
InetAddress localhost = InetAddress.getLocalHost();
Socket socket = new Socket(localhost, 8000);
PrintWriter out = new PrintWriter(socket.getOutputStream(),true);
BufferedReader br = new BufferedReader(new
InputStreamReader(socket.getInputStream()));
System.out.println("Connected to server");
Scanner sc = new Scanner(System.in);
while(true) {
System.out.println("Please Enter Text");
String input = sc.nextLine();
if("exit".equalsIgnoreCase(input)) {
break;
}
out.println(input);
String response = br.readLine();
System.out.println("Server resonse is: "+response);
}
}
}
 
 
 

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