why i use pointer in the program??
String tokenizer pointer
Hello @guptaaman155,
If you are asking about the general usage of pointers in any programs,
Pointer is a variable that points to a memory location.
declaration:
int *p; // p is a pointer variable of type int.
int x=4; // x is a variable
p=&x; // p points to the address of x
cout<<p; //print address of x
cout<<*p; //4, i.e. the value of x
Hope, this would help.
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