You should assign variables the lowest level of scope needed to provide the required access.
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Q5: The problem with using global variables is
Q6: Polymorphism can be implemented within Ruby by
Q7: A variable with a global scope can
Q8: Abstraction is implemented through classes and includes
Q9: When included in a class definition, the
Q11: Polymorphism is the process by which one
Q12: Abstraction involves the restriction of access to
Q13: To use the public , private ,
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Q15: Access to any properties or methods that
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