----------------------------------------------------------------------------------
                    IDL
----------------------------------------------------------------------------------
module CountSentApp
{
    interface CountSent
    {
        long CountOccu(instring s,inchar c);
        oneway void shutdown();
    };
    
};

----------------------------------------------------------------------------------------------
                    Server
----------------------------------------------------------------------------------------------

import CountSentApp.*;
import org.omg.CosNaming.*;
import org.omg.CosNaming.NamingContextPackage.*;
import org.omg.CORBA.*;
import org.omg.PortableServer.*;
import org.omg.PortableServer.POA;
import java.util.Properties;

class CountSentImpl extends CountSentPOA
{
    private ORB orb;

    publicvoid setORB(ORB orb_val)
    {
        orb = orb_val; 
      }
    publicint CountOccu(String s, char c)
    {
        int count=0;
        for (int i = 0; i < s.length(); i++)
        {
            if (c == s.charAt(i))
                count++;
        }
        return count;
    }
    publicvoid shutdown()
    {
        orb.shutdown(false);
    }
}

publicclass CountSentServer
{

    publicstaticvoid main(String args[]) 
    {
        try
        {
            ORB orb = ORB.init(args, null);
            POA rootpoa = POAHelper.narrow(orb.resolve_initial_references("RootPOA"));
            rootpoa.the_POAManager().activate();

            CountSentImpl countSentImpl = new CountSentImpl();
            countSentImpl.setORB(orb);

            org.omg.CORBA.Object ref = rootpoa.servant_to_reference(countSentImpl);
            CountSent href = CountSentHelper.narrow(ref);
    
            org.omg.CORBA.Object objRef = orb.resolve_initial_references("NameService");
            NamingContextExt ncRef = NamingContextExtHelper.narrow(objRef);

            String name = "CountSent";
            NameComponent path[] = ncRef.to_name( name );
            ncRef.rebind(path, href);

            System.out.println("CountSentServer ready and waiting ...");

            orb.run();
        } 
    
        catch (Exception e) 
        {
            System.err.println("ERROR: " + e);
            e.printStackTrace(System.out);
        }

        System.out.println("CountSentServer Exiting ...");
    
    }
}

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                    Client
----------------------------------------------------------------------------------------------
import CountSentApp.*;
import org.omg.CosNaming.*;
import org.omg.CosNaming.NamingContextPackage.*;
import org.omg.CORBA.*;
import java.io.*;

publicclass CountSentClient
{
    public String getText() throws IOException
    {
        String s = new String();
        try
        {
            System.out.print("Enter the Text : ");
            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
            s = br.readLine();
        }
        catch (IOException e)
        {
            System.out.println(e);
        }
        return s;
    }
    publicstaticvoid main(String args[])
    {
        CountSent countSentImpl = null;
        CountSentClient cc = new CountSentClient();

        try
        {
            ORB orb = ORB.init(args, null);
                org.omg.CORBA.Object objRef = orb.resolve_initial_references("NameService");
                NamingContextExt ncRef = NamingContextExtHelper.narrow(objRef);
                String name = "CountSent";

                countSentImpl = CountSentHelper.narrow(ncRef.resolve_str(name));

            String s = cc.getText();
            char c = 's';

            System.out.println("The character is : s");
            int count = countSentImpl.CountOccu(s,c);
            System.out.println("The total occurance is : " + count);

                countSentImpl.shutdown();

        } 
        catch (Exception e) 
        {
            System.out.println("ERROR : " + e) ;
            e.printStackTrace(System.out);
        }
    }

}

----------------------------------------------------------------------------------
                    Output
----------------------------------------------------------------------------------

Enter the Text : This is the sentence
The character is : s
The total occurance is : 3