HelloServidora.java

import javax.rmi.PortableRemoteObject;
import java.rmi.*;
import javax.swing.*;
public class HelloServidora extends PortableRemoteObject implements Hello{
    public HelloServidora() throws RemoteException{}
    public void imprimirOla(String oqImprimir) throws RemoteException{
        JOptionPane.showMessageDialog(null,oqImprimir,"Mensagem do Objeto Cliente",JOptionPane.INFORMATION_MESSAGE);

    }

}