$/**$ Gets element i from AList.

$*$ @throws ArrayIndexOutOfBoundsException if $0<=$ i $<$ size does not hold $*/$

public T get$($int i$)\{$

return a$[$i$]$;

$\}$

$/**$ Sets the ith element of the list to value.

$*$ @throws ArrayIndexOutOfBoundsException if $0<=$ i $<$ size does not hold $*/$

public void put$($int i$,$ T value$)\{$

a$[$i$]=$ T;

$\}$