The arraylist class method removes an item from an arraylist at a specified location.
a.
erase
b.
remove
c.
delete
d.
get

remove

Explanation:

The function used to remove the element in the ArrayList at specific index is remove.

Syntax:

remove(int index)

it used index to remove the element.

ArrayList index start from the index zero. So, if the we enter the index 0 it means remove the element at first position.

for example:

array.remove(1);  it remove the element at index 1 from the ArrayList name array.

answer; i believe its compare (b3: b4) ;