From: Manav Gupta <manavkbgupta@...>
Date: 2011-12-09T21:01:24+09:00
Subject: CONCEPT OF INSTANCE VARIABLE IN RUBY

@x = 'Hello world'

def printMe
   puts @x
end

int the above code section when a call printMe method it behaves as
expected. However if I remove the '@' symbol making x as a local
variable it throws an undefined name error. which is also as expected.
But can anyone explain me in the previous case, what is the class for
@x.

Please explain me in details

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