What is Boxing and Unboxing?
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Answer Posted / eduardo belmonte
Boxing is the process of converting value type to reference
type.
Unboxing is the process of converting from a reference type
to a value type.
Both are slow and should be avoided when possible or
unneeded.
Dim st AS String
Dim obj As Object
Dim n As Integer = 5
st = n ' Boxing happens
obj = n ' Boxing happens
n = st ' Unboxing happens
n = obj ' Unboxing happens
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