Which is a valid way to extract the size of an array in Perl? - Perl Quiz

Perl - Quiz(MCQ)

Which is a valid way to extract the size of an array in Perl?

A)

_len(@array_name)

B)

@array_name.length()

C)

$size = scalar @array_name

D)

All of the above

Correct Answer : $size = scalar @array_name

Explanation :

The valid way to extract the size of an array in Perl is : $size = scalar @array_name

Recently Updated in Perl Questions

Which operator is also known as string repetition operator in perl?

A)

(.)

B)

(x)

C)

($)

D)

(++)

Correct Answer : (x)

"+=" known as ________in Perl.

A)

Assignment Operator

B)

Arithematic Operator

C)

Comparision Operator

D)

Increment/Decrement Operator

Correct Answer : Assignment Operator

Explanation : "+=" known as "Assignment operator" in Perl.

What is the correct operator precedence for the following operators?

&& , &, = , ->

A)

-> , & , && , =

B)

= , & , && , ->

C)

= , -> , && , &

D)

& , && , = , ->

Correct Answer : -> , & , && , =

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