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Indicate how the pointers are used to establish a link between nodes.
Ans. A node is used to create linked data structure like Linked list. A node has one data field and one or more link fields to other nodes. The pointer concept is used to link to nodes.
In C++, a node can be implemented by defining either a structure or class:
struct Node class Node
{ {
int data; private:
Node *link; int data;
} Node *link;
};
---------- ---------- ---------- | data | o--|--->| data | o--|--->| data | o | ---------- ---------- ----------
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