1D0-437 Exam Dumps : CIW PERL FUNDAMENTALS

Consider the following program code:

@array = ("one", "two");

push(@array, "three");

shift(@array);

unshift(@array, "four");

pop(@array);

print($array[0]);

What is the output of this code?

Consider the following program code:

@array = ("ALPHA", "beta", "GaMmA");

@array = sort(@array);

print("@array");

What is the output of this code?

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