call a method from server

[TreeChar]

client1.java\[code\]import java.io.*;import java.net.*;class client1 { public static void main (String [] args) { Socket connectToServer; OutputStream out; BufferedReader in; String msg; String result; try { connectToServer = new Socket ("localhost", 5555); out = connectToServer.getOutputStream ( ); in = new BufferedReader (new InputStreamReader (connectToServer.getInputStream ( ))); msg = "sum" + "\n"; out.write (msg.getBytes ( ), 0, msg.length ( )); msg = "5" + "\n"; out.write (msg.getBytes ( ), 0, msg.length ( )); result = in.readLine ( ); System.out.println (result); connectToServer.close ( ); } catch (Exception ex) {System.out.println (ex);} }}\[/code\]server1.java\[code\]import java.io.*;import java.net.*;class server1 { public static void main (String [] args) { ServerSocket c; Socket cs; OutputStream out; BufferedReader in; String msg; String name; int parameter; int result=0; try { c = new ServerSocket (5555); cs = c.accept ( ); out = cs.getOutputStream ( ); in = new BufferedReader (new InputStreamReader (cs.getInputStream ( ))); name = in.readLine( ); parameter = Integer.parseInt (in.readLine ( )); result = name(parameter); out.write (result.getBytes ( ), 0, result.length ( )); } catch (Exception ex) {System.out.println (ex);} } static int sum (int n) { return (n + 5); }}\[/code\]I want to call a sum method from a server and I excepted from server to back the result of function but there are some bugs I'm really tired from it need some help my friends sorry for my bad English