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Null

Updated: 04/26/2017 by Computer Hope
Null in blue lettering

Null defines a lack of value. For example, in the example below, the $value1 variable is null and $value2 has a value of 1.

my $value1 = "";
my $value2 = "1";

Blank, Empty, Measurement, NN, None, Null character, Null pointer, Programming terms, Undefined, Zero, Zero out

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