in java What will be returned from the following method?

public static int methodA$()$

$\{$

double a $=8\mathrm{.}5+9\mathrm{.}5$;

return a;

$\}$

Question $19$ options:

a$)$

$18\mathrm{.}0$

b$)$

This is an error.

c$)$

$8\mathrm{.}0$

d$)$

$18($as an integer$)$