What is the main difference between STRUCTURE and UNION?
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Answer Posted / ravi
1) Structure: The size in bytes is the sum total of size of
all the elements in the structure, plus padding bytes.
2) Size of in bytes of the union is size of the largest
variable element in the union.
i.e In case of Union, the elements making up the
union 'overlap' in memory OR they are accessed as diffrent
name/type at diffrent places in the program.
Whereas in case of Struct, each of the elements have a
distinct identity.
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