Which operator among the following is used to perform the operation of boxing, unboxing, reference and identity conversions?

Which operator among the following is used to perform the operation of boxing, unboxing, reference and identity conversions? Correct Answer as

use the as operator, which has this general form: expr as type Here, expr is the expression being converted to type. If the conversion succeeds, then a reference to type is returned. Otherwise, a null reference is returned. The as operator can be used to perform only reference, boxing, unboxing, or identity conversions.

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