import java.io.*;
import java.net.*;

class ClientExample {
    public static final int PORT = 1234;

    public static void main(String argv[]) {
        try {
        Socket s = new Socket("localhost", PORT);
        BufferedReader br = new BufferedReader(new 
InputStreamReader(s.getInputStream()));
        PrintWriter pr = new PrintWriter(new 
OutputStreamWriter(s.getOutputStream()));

	System.out.println(s.getLocalAddress().toString());
	System.out.println(s.getLocalSocketAddress().toString());
        pr.println("Hello, world!");
        pr.flush();
        System.out.println(br.readLine());
        } catch (IOException e) {
            System.out.println("IO Exception: " + e.getMessage());
        }
    }
}