//This is addServer that is responsible for add two integer numbers
import java.net.*;
import java.rmi.*;
import java.rmi.server.UnicastRemoteObject;

public class addServerImpl extends UnicastRemoteObject implements addInterface{
String newLine = System.getProperty("line.separator"); 
public addServerImpl() throws RemoteException{
  System.out.println("Initializing addserver");
}


public static void main(String arg[]){
System.setSecurityManager(new RMISecurityManager());
try{
addServerImpl ASI=new addServerImpl();
Naming.rebind("addserver", ASI);
  System.out.println("registered with Registry");
} catch (RemoteException e){
  System.out.println("I catch RemoteExceptiom Error: " + e);
} catch (java.net.MalformedURLException e){
  System.out.println("URL Error:" + e);
}
}


public String add(int a, int b){
  return ("The add method is invoked in add server"+
        newLine+a+"+"+b+" = "+(a+b)+newLine+newLine);

}

}