Accenture Technical Interview for Experienced in c++ --- Hyderabad
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Answer Posted / abhishek rajan
There four kind of storage classes.
auto(stands for automatic)
static
extern
register
when we declare any variable using auto
eg:
auto int x;
or
int x;
then the scope of the variable will be local.
when we declare any variable using static
eg:
static int x;
then the variable with sustain with that assigned value.
extern is used for the global declaratioin.
register; when this storage class is used
eg:
register int x;
then the value of the variable is going to be stored
directly in the register.
but the register should be free to hold the content of x,
otherwise it will be considered as the variable has the
storage class auto.
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