Arrays:

Given the code below, select the correct description and output.

${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}[]a=\{20,3,90,3\}$;

System.out.printIn$($mysteryMethod$2($a$,3))$;

System.out.printIn$($mysteryMethod$2($a$,5))$;

public static int mysteryMethod$2($int$[]$ a$,$ int el$)\{$

int $i1=-1$;

for $($int $i=0$;$i$ a$.$length; $i++$

if

$i1=i$;

$\}$

$\}$

return i$1$;

$\}$

Uses an array to accumulate the number of numbers on the file that end in a specific digit, where

location $0$ is for numbers ending in a $0$ ; location $1$ for numbers ending in a $1,$ etc. up to location $9$

signifying numbers ending in a $9$

Output:

$1,1,2,1,2,1,0,0,0,0$

Returns a sum of list; $0$ if list empty

Output:

$106$

$0$

Returns list minimum

Output:

$3$

$1$

Prints the last index of the element to be found; if element not in the list, returns $-1$

Output:

$3$

$-1$