What is ArrayList? ArrayList is a dynamic data structure from the Java Collection Framework. It is a widely used data structure in Java developer life. For example, as a developer you are required to fulfill the requirements such as “collecting items into cart”, “delete multiple emails from your inbox”, “multiple…
In this article, we discussed a problem: How to reverse a linked list in O(n) time complexity means in single traverse. In this, we are using the Singly LinkedList. In order to reverse the linked list, we traverse the linked list and change the pointers address between two nodes which are…
LinkedList is one of the linear Data Structure. LinkedList is a collection of multiple nodes and they are connected using pointer (reference) address. Nodes (elements) are stored in a non-contiguous memory location which means different memory locations. LinkedList is of three types such as Singly-linkedList, Doubly LinkedList, and Circular LinkedList….