$12$

What does the following piece of code do$?$

for $($int $i=0$;$i$ arr.length$-1$; $i++)$

$1$

for $($int $j=i+1$;$j$ arr.length; $j++)$

$1$

if$(($arr$[$i$].$equals$($arr$[$j$]))$ && $($i $!=$ j$))$

$\{$

System.out.printIn$($arr$[$i$])$;

$\}$

$\}$

$\}$

Pick ONE option

$13$

Print the duplicate elements in the array

$14$

Print the element with maximum frequency