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Circular Linked List Application & Pros/Cons
What is a circular linked list?
A circular linked list is similar to the single linked list except that the last node points to the first node in the list. This means that circular linked list is a sequence of elements in which every element has link to its next element in the sequence and the last element has a link to the first element in the sequence.
Applications of Circular Linked List
A Circular Linked List can be used for the following –
- Circular lists are used in applications where the entire list is accessed one-by-one in a loop.
- It is also used by the Operating system to share time for different users, generally uses a Round-Robin time-sharing mechanism.
- Multiplayer games use a circular list to swap between players in a loop.
- Implementation of Advanced data structures like Fibonacci Heap
- The browser cache which allows you to hit the BACK button
- Undo functionality in Photoshop or Word
- Circular linked lists are used in Round Robin Scheduling
- Circular linked list used Most recent list (MRU LIST)
Difference between linked list and circular linked list
Linked list is a linear data structure that consists of a group of nodes in a sequence. Each node has got two parts, a data part- which stores the data and an address part- which stores the address of the next node. Hence forming a chain-like structure. Linked lists are used to create trees and graphs.
Circular linked list: In a circular linked list, the last node's address part holds the address of the first node hence forming a circular chain-like structure.
Circular linked list: In a circular linked list, the last node's address part holds the address of the first node hence forming a circular chain-like structure.
Advantage of circular linked list
- Entire list can be traversed from any node of the list.
- It saves time when we have to go to the first node from the last node.
- Its is used for the implementation of queue.
- Reference to previous node can easily be found.
- When we want a list to be accessed in a circle or loop then circular linked list are used.
Disadvantage of circular linked list
- Circular list are complex as compared to singly linked lists.
- Reversing of circular list is a complex as compared to singly or doubly lists.
- If not traversed carefully, then we could end up in an infinite loop.
- Like singly and doubly lists circular linked lists also doesn’t support direct accessing of elements.
What is the benefit of a circularly linked list over singly linked list in search applications?
- If your program wants to access items of Linked List over and over again in a loop. Such processes do exist in OS, where some list of system processes must be implemented in loop one by one
- These are round-robin type of OS scheduling algorithms
- Any node can be the starting point since, we can access all nodes from anywhere, unlike a singly linked list where we must only start from the head node if we want to access all nodes.
- The fibonacci heap can be implemented via Circular Linked List
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Circular Linked List
- Introduction to Circular Linked List
Click Here - Circular Linked List Applications
Click Here - Circular Linked List in –
- Insertion in Circular Linked List –
- Insertion at the beginning–
- Insertion at the end –
- Insertion at nth position –
- Deletion in Circular Linked List –
- Deletion from beginning in Circular Linked List –
- Deletion from nth position in Circular Linked List –
- Deletion from end in Circular Linked List –
- Insertion and Deletion in Circular Linked List – C | C++ | Java
- Split a Circular Linked List in two halves –
- Count nodes in Circular Linked List –
- Sorted Insert In Circular Linked List –
- Insertion in the middle in Circular Linked List –
Circular Linked List
- Introduction to Circular Linked List
- Circular Linked List Applications
- Circular Linked List in – C | C++ | Java
- Insertion in Circular Linked List – C | C++ | Java
- Deletion in Circular Linked List – C | C++ | Java
- Insertion and Deletion in a Circular Linked List – C | C++ | Java
- Split a Circular Linked List in two halves – C | C++ | Java
- Count nodes in Circular Linked List – C | C++ | Java
- Sorted Insert In Circular Linked List – C | C++ | Java
- Insertion in the middle in Circular Linked List – C | C++ | Java
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