Consider the following code

$```$

public class MyClass $\{$

public static void main$($String args$[])\{$

mystery$(3,4)$;

$\}$

public static void mystery$($int x$,$ int y$)$ throws Exception $\{$

try $\{$

int z $=$ x $/$ y;

$\}$ catch $($ArithmeticException e$)\{$

throw new Exception$($e$.$getMessage$())$;

$\}$

$\}$

$\}$

$```$

which line has a compile error?

line $5$

There are no compile errors.

line $7$

line $3$