$*$In the following program, print the sum of the first and last element in the partially fillec

$8.$ prices with companion variable number$0$fPrices.

FirstAndLast.java

$1$ import java.util.Scanner;

public class FirstandLast

$\{$

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

$\{$

Scanner in $=$ new Scanner$($System$.$ in$)$;

final int LENGTH $=100$;

double$[$