title: call a method from server
body: <p>client1.java</p>
  
  <pre><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></pre>
  
  <p>server1.java</p>
  
  <pre><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></pre>
  
  <p>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 </p>
  
  <p>sorry for my bad English  </p>