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Give two conceptually different concrete examples drawn from programming languages with which you are familiar in...

Give two conceptually different concrete examples drawn from programming languages with which you are familiar in which a variable or some other object is live but not in scope.

(Hint: consider how different abstraction and information hiding mechanisms may affect the visibility and accessibility of objects.)

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Answer #1

Examples:

Consider in school the management authorities have some data that is to be shared among the particular authorities only not to all the people like normal staffs. That might include salary hike details etc.

This can be done by declaring the super class variables or functions as private.

In military cases the some of the secrets has to be maintained only among the higher officials for exmaple a group of five members. Then this should not be disclosed to other people. In a website the all details are in live but few people cannot be accessible some core areas.

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