/*學生注冊管理遠程接口studentManager.java*/
import java.rmi.*;
import java.util.*;
public interface StudentManager extends Remote
{  
/*定義查詢query()、修改modify()、插入insert()、刪除delete()方法*/
 public Vector query(String sql) throws RemoteException; 
 public int modify(String sql ,String [] val) throws RemoteException; 
 public int insert(String sql,String [] val) throws RemoteException;  
 public int delete(String cond) throws RemoteException;  
}