myTCPclient

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

public class myTCPclient
{
	public static void main (String args[])
	{
		try
		{
			InputStream input = System.in;
			InputStreamReader rd = new InputStreamReader (input);
			BufferedReader brd = new BufferedReader (rd);

			System.out.print("Please enter the radius: ");
			String rad = brd.readLine();

			int d = Integer.parseInt(rad);

			//*********************************//
			int sport = 4444;
			InetAddress serverADD = InetAddress.getByName("127.0.0.1");

			Socket send = new Socket(serverADD, sport);

			DataInputStream instream = new DataInputStream(send.getInputStream()); //terima data
			DataOutputStream outstream = new DataOutputStream(send.getOutputStream());  // hantar data

			outstream.writeInt(d);

			double area = instream.readDouble();

			send.close();


			System.out.println("Given radius = " + d);
			System.out.println("Area = " + area);

		}
		catch(IOException ioerr)
		{
			System.out.println(ioerr);
		}



	}
}