Java Network homework.

NETWORKINGSERVER CLASS

NETWORKINGSERVER CLASS

import java.net.*; InputStream clientin = client.getInputStream(); Buffered Reader br = new BufferedReader(new import java.io.*; public class NetworkingServer { public static void main(String [] args) { InputStreamReader(clientin)); String msgFromClient = br.readLine(); System.out.println("Message received from client =" + msgFromClient); ServerSocket server = null; Socket client; int portnumber = 1234; if (args.length >= 1){ portnumber = Integer.parseInt(args[0]); } if (msgFromClient != null && !msgFromClient.equalsignoreCase("bye")) { OutputStream clientout= client.getOutputStream(); PrintWriter pw = new PrintWriter(clientout, true); String ansMsg = "Hello," + msgFromClient; pw.println(ansMsg); } try { server = new ServerSocket(portnumber); } catch (IOException ie) { System.out.println("Cannot open socket." +ie); System.exit(1); if (msgFromClient != null && msgFromClient.equalsignoreCase("bye")) { server.close(); client.close(); break; } } System.out.println("ServerSocket is created " + server); while(true) { try { System.out.println("Waiting for connect request..."); client = server.accept(); } catch (IOException ie) { } } } } System.out.println("Connect request is accepted..."); String clientHost = client.getlnetAddress().getHostAddress(); int clientPort = client.getPort(); System.out.println("Client host = " + clientHost + " Client port=" + + clientPort); import java.io.*; System.out.println("Enter 2 numbers to addition: Type Bye to exit. "); import java.net.*; public class NetworkingClient { public static void main(String args[]) { msg = stdin.readLine().trim(); pw.println(msg); Socket client = null; int portnumber = 1234; System.out.println("Message returned from the server =" + br.readLine()); pw.close(); br.close(); client.close(); if (args.length >= 1){ portnumber = Integer.parseInt(args[0]); } for (int i=0; i