Correct Answer : local
Explanation : The local is used when the current value of a variable must be visible to called subroutines.
Correct Answer : (x)
Correct Answer : Assignment Operator
Explanation : "+=" known as "Assignment operator" in Perl.
&& , &, = , ->
-> , & , && , =
= , & , && , ->
= , -> , && , &
& , && , = , ->
Correct Answer : -> , & , && , =