Chương trình sau thực hiện công việc gì?for (int i = 0; i < args.length; i++) {try {Socket socket = new Socket(args[i], 80);System.out.print("Connected to " + socket.getInetAddress());System.out.print(" on port " + socket.getPort());System.out.print(" from port " + socket.getLocalPort());System.out.println(" of " + socket.getLocalAddress());} catch(UnknownHostException e) {e.printStackTrace();} catch(SocketException e) ...

Chương trình sau thực hiện công việc gì?for (int i = 0; i < args.length; i++) {try {Socket socket = new Socket(args[i], 80);System.out.print("Connected to " + socket.getInetAddress());System.out.print(" on port " + socket.getPort());System.out.print(" from port " + socket.getLocalPort());System.out.println(" of " + socket.getLocalAddress());} catch(UnknownHostException e) {e.printStackTrace();} catch(SocketException e) {e.printStackTrace();} catch(IOException e) {e.printStackTrace();}