Answer / dileep

A string type takes 4 bytes (A string is a referenc type)
Bcoz either it references a null value or a non-null value
since it is a reference type which holds the address of a
memory location it occupies the size of an integer (which
is 4 bytes in c#).

Answer / harikrishna

2bytes

Answer / paresh nawale

dileep is right.
as string is refrence type it need 4 bytes to hold memeory
address.

Answer / mohan

12 bytes

Answer / ganesh

sorry harikrishna. ur answer is wrong.

by default the size of a string is 0 bytes.we can have a
null string in c#.

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