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Linked List in Data Structures

Quick Summary & Key Takeaways

  • • Subject Focus: Data Structure Notes in English (BCA / B.Tech Syllabus)
  • • Core Topic: Linked List in Data Structures - General Topics
  • • Overview: Linked List in Data Structures: A linked list is an important type of data structure used to store data elements in an ordered series. It is a dynamic ...
  • • Key Concepts: Linked list, Singly doubly circular insertion Hindi, Deletion traversal list,Linked list, Singly doubly circular insertion, Deletion traversal list

Linked List in Data Structures:


A linked list is an important type of data structure used to store data elements in an ordered series. It is a dynamic data structure, where the method of storing data is very flexible. In a linked list, each element, called a node, is divided into two parts: the first part stores the data, and the second part stores the address (or reference) of the next node.

What is a Linked List?
A linked list is a linear data structure in which elements are placed in a sequential manner, one after another. Each node holds the address of the next node, connecting the entire list in a chain. It is different from other data structures like an Array, where elements are stored in a fixed order and the size is static. A linked list uses dynamic memory allocation, so its size can be easily increased or decreased.

Types of Linked Lists:
  • Singly Linked List: The simplest type, where each node holds the address of only the next node.
  • Doubly Linked List: Each node holds two addresses: one for the next node and one for the previous node.
  • Circular Linked List: The last node's next address points to the first node, making the list circular.
  • Circular Doubly Linked List: A circular version of a doubly linked list.

Structure of a Linked List: Each node in a linked list has two parts: Data and a Pointer to the next node.

Operations on a Linked List:
  • Insertion of a Node: Can be at the beginning, at the end, or in the middle.
  • Deletion of a Node: Can be from the beginning, from the end, or from the middle.
  • Searching in the List: The process of finding a specific node.
  • Printing the List: Displaying all the nodes in the list.

Advantages of Linked Lists: Dynamic sizing, efficient use of memory, and ease of insertion and deletion.

Disadvantages of Linked Lists: Memory overhead (for pointers), slow access time (sequential access), and difficult reversal (especially in singly linked lists).

Frequently Asked Questions (FAQs)

Linked List in Data Structures: A linked list is an important type of data structure used to store data elements in an ordered series.
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In this Chapter

Linked List in Data Structures
Binary Tree Traversal (Data Structures)
Introduction to Data Structures
Operations on a Linked List
Operations in Data Structures
Trees in Data Structures
Binary Trees in Data Structures
Full Binary Tree in Data Structures
Applications of Linked Lists
Main Uses of Linked List
Operations & Applications of Trees
Tree Algorithms
What is an Algorithm?
Memory Allocation in Data Structures
Operations & Applications of Memory Allocation
Expression Tree in Data Structures
Operations & Algorithms of Expression Trees
Applications of Expression Trees
Graphs in Data Structures
Pointers in Data Structures
Pointer Algorithms
Sorting in Data Structures
Searching in Data Structures
Searching Algorithms in Data Structures
Stacks in Data Structures
Stack Algorithms
Queues in Data Structures
Queue Algorithms
Arrays in Data Structures
Time Complexity
Space Complexity
Parameter and Argument Passing
Algorithm of Space Complexity
Algorithm of Time Complexity