CIW PERL FUNDAMENTALS 1D0-437 Question # 2 Topic 1 Discussion

CIW PERL FUNDAMENTALS 1D0-437 Question # 2 Topic 1 Discussion

1D0-437 Exam Topic 1 Question 2 Discussion:
Question #: 2
Topic #: 1

Which one of the following choices is a unary operator that can apply to only a single variable?


A.

++


B.

**


C.

/


D.

?


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