How will you get the size of a Hash? - Perl Quiz

Perl - Quiz(MCQ)

How will you get the size of a Hash?

A)

Using scalar context

B)

using sizeof operator

C)

Both (A) and (B)

D)

None of the above.

Correct Answer : Using scalar context

Explanation : You can get the size − that is, the number of elements from a hash by using the scalar context on either keys or values.

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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