public boolean update(AlumnoVO alumno) {
		String    query    = "UPDATE alumnos SET";
		Statement consulta = Conexion.getConexion().hacerConsulta();
		
		if(alumno.getNombre() != null){
			query += " nombre = " + alumno.getNombre() + ",";
		}
		if(alumno.getApellidoPaterno() != null){
			query += " apellidoPaterno = " + alumno.getApellidoPaterno() + ",";
		}
		if(alumno.getApellidoMaterno() != null){
			query += " apellidoMaterno = " + alumno.getApellidoMaterno() + ",";
		}
		if(alumno.getCapacitacion() != null){
			query += " capacitacion = " + alumno.getCapacitacion().toString() + ",";
		}
		if(alumno.getEmail() != null){
			query += " email = " + alumno.getCapacitacion().toString() + ",";
		}
		if(alumno.getTelefono() != null){
			query += " telefono = " + alumno.getTelefono().toString() + ",";
		}
		if(alumno.getPromedio() != null){
			query += " promedio = " + alumno.getPromedio().toString() + ",";
		}
		if(alumno.getGrupo() != null){
			query += " grupo = "+ alumno.getGrupo().toString() + ",";
		}
		
		query = query.substring(0, query.length() -2);
		query += " WHERE matricula = " + alumno.getMatricula() + ";";
		
		try{
			consulta.executeUpdate(query);
			consulta.close();
		}catch (Exception e){
			return false;
		}
		return true;
	}