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Assertions Doubt

 
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Hi,

Why can't we use assertions in a public method?

Could you please explain me the reasons?

Thank you.
 
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We can use assertion in the public method but we should not use
assertion in the public method.


Why should not?

A public method is exposed to the world and you don't know who will be using your public method in future too. public methods play the role of interface
to the outside world, you are supposed to impose constraint on the arguments, inside the method itself. There is not guarantee that Assertion
will run. You don't want to check the arguments conditionally on
behalf of whether Assertion is enabled or not.



Thanks,
 
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