What is output?

public class Vehicle $\{$

protected String vehicleName;

public void setName$($String name$)\{$

vehicleName $=$ name;

$\}$

$\}$

public class Boat extends Vehicle $\{$

private int numEngines;

$\}$

Boat fastBoat $=$ new Boat$()$;

fastBoat.setName$("$Firebird$")$;

System.out.println$($fastBoat$)$;

Question $26$ options:

Firebird

Boat@f$35$a$442$b

Vehicle@f$35$a$442$b

Syntax error