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In a singly linked list, how do you insert a new node at the beginning?

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Question: In a singly linked list, how do you insert a new node at the beginning?

Options:

  1. Create a new node and point it to the head
  2. Point the head to the new node
  3. Insert at the end
  4. None of the above

Correct Answer: Create a new node and point it to the head

Solution: 

To insert a new node at the beginning, create a new node and set its next pointer to the current head.

In a singly linked list, how do you insert a new node at the beginning?

Practice Questions

Q1
In a singly linked list, how do you insert a new node at the beginning?
  1. Create a new node and point it to the head
  2. Point the head to the new node
  3. Insert at the end
  4. None of the above

Questions & Step-by-Step Solutions

In a singly linked list, how do you insert a new node at the beginning?
  • Step 1: Create a new node with the desired value.
  • Step 2: Set the new node's next pointer to the current head of the linked list.
  • Step 3: Update the head of the linked list to point to the new node.
  • Singly Linked List – A data structure consisting of nodes where each node contains data and a pointer to the next node.
  • Node Insertion – The process of adding a new node to a linked list at a specified position.
  • Pointer Manipulation – Understanding how to correctly set pointers to maintain the integrity of the linked list.
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