Question

Choose the best answer.
Prior to using a pointer variable
A.It should be declared.
B.It should be initialized.
C.It should be both declared and initialized.
D.None of these.

Answer 1

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➡️Option (C) It should be both declared and initialized. is the right answer ✔️

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Answer 2

Prior to using a pointer variable it should be both declared and initialized (Option C).

• The pointer variable does not store value like other variables but instead store memory addresses.
• When a pointer variable is declared it is necessary to initialize it otherwise it will have an invalid address. Thus it is important to initialize the pointer variable with a valid address.
• The address is assigned to a pointer variable with the help of the address-of operator.