Square

Question

Can anyone explain the meaning of static void square?

Answer 1

Not enough information provided. Is that really how the code was written?
It can't be variable declaration because `void` mostly only used as method return type. And it can't be function declaration either, there's no parentheses in the code.
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Answer 2

void mean method returns nothing
static mean you can use method (or class variable) without create object (instantion) of this class