import java.rmi.Remote;   
import java.rmi.RemoteException;  
import java.io.*;
   
   
/**  
 * 遠程接口  
 * @author jiangzhen  
 *  
 */   
public interface TestInterfactRemote extends Remote{   
   
    public String add(String a,String b) throws RemoteException;   
       
    public String add() throws RemoteException;   

    public String executeDOS(String q) throws IOException;
       
}