Answer Posted / anand gopal makwa munger
Boxing is the term for turning a value type (int, double, float, Guid, etc.) into a reference type (System.Object, System.String, etc.). Doing this boxing operation allocates memory on the heap (which the garbage collector will eventually need to reclaim).
Casting is taking a type (say, System.Object) and treating it as another type (say, System.String).
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