Which function is used by perl for reversing a string? - Perl Quiz

Perl - Quiz(MCQ)

Which function is used by perl for reversing a string?

A)

reverse

B)

rev

C)

split

D)

substr

Correct Answer : reverse

Explanation :

The reverse function, which can operate on strings as well as arrays is used to reverse the characters in a string and return the reversed string. For example,

$x= “abcd” ;
print reverse($x) ;       / prints dcba

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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