What are pointers and their uses?
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Pointers are used to store the address of the variable or a memory location. Pointer can also be used to refer to another pointer function. The main purpose of the pointer is to save memory space and increase execution time. Uses of pointers are:
To pass arguments by reference
For accessing array elements
To return multiple values
Dynamic memory allocation
To implement data structures
To do system-level programming where memory addresses are useful