Which of the following statement expects the expression to return a label name and then jumps to that labeled statement? - Perl Quiz

Perl - Quiz(MCQ)

Which of the following statement expects the expression to return a label name and then jumps to that labeled statement?

A)

goto EXPR

B)

goto &NAME

C)

goto LABEL

D)

None of the above.

Correct Answer : goto EXPR

Explanation : The goto EXPR form is just a generalization of goto LABEL. It expects the expression to return a label name and then jumps to that labeled statement.

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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.

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&& , &, = , ->

A)

-> , & , && , =

B)

= , & , && , ->

C)

= , -> , && , &

D)

& , && , = , ->

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

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