Accessing array elements : Pointers are used in traversing through an array of integers and strings. The string is an array of characters which is terminated by a null character '\0'.
Dynamic memory allocation : Pointers are used in allocation and deallocation of memory during the execution of a program.
Call by Reference : The pointers are used to pass a reference of a variable to other function.
Data Structures like a tree, graph, linked list, etc,. : The pointers are used to construct different data structures like tree, graph, linked list, etc.
