In the following code, which lines have code that does not adhere to the Java coding standard?

$1$ public class myProgram $\{$

$2$ public static void main$($String$[]$ args$)\{$

$3$

$4//$declare variables and output text about spaghetti

$5$ double money $=20\mathrm{.}00$;

$6$ final double costOfSpaghetti $=4\mathrm{.}95$;

$7$ System.out.println$("$You want some spaghetti?"$)$;

$8$ System.out.println$("$Okay$.$ Here's your spaghetti."$)$;

$9$ System.out.println$("$Now you have $$"+($money$-$costOfSpaghetti$))$;

$10$

$11\}$

$12\}$