What is output?

public static void changeRainfall$($double $[]$ dailyRain$)\{$

$$ dailyRain$[0]=0\mathrm{.}1$;

$\}$

$$

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

$$ double $[]$ rainValues $=$ new double$[2]$;

$$ rainValues$[0]=2\mathrm{.}9$;

$$ rainValues$[1]=1\mathrm{.}3$;

$$ changeRainfall$($rainValues$)$;

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

$\}$

Question $15$Answer

a$.$

$2\mathrm{.}9$

b$.$

an array reference

c$.$

$3\mathrm{.}1$

d$.$

$0\mathrm{.}1$