Given class $($simplecan$,$ which line has a syntax error?

public class simplecar

private int odometer;

public void drive$($int miles$)($

odometer $=$ odometer $+$ miles;

$?$

$\}$

$1$ Object objcar;

$2$ abjcar $=$ new SimpleCar$()$;

$3$ System.out.printin$($objCar$,$tostring$())$;

$4$ objcar.arive$()$;

line $3-$ tostring$()$ is not defined in class SimpleCar

line $1-$ class Object is not defined

line $2-$ a SimpleCar reference cannot be assigned to an Object reference

line $4-$ drive$()$ is not defined in class Object