Question:

How to Delete the Node without Head pointer?

Summary:

From the linked list of N nodes, you are given a pointer to the node to delete. Here we have to delete the node.

Solution:

/*

class Node

{

int data ;

Node next;

Node(int d)

{

data = d;

next = null;

}

}

*/

//Function to delete a node without any reference to head pointer.

class Solution

{

void deleteNode(Node del)

{

// Your code here

del.data=del.next.data;

// System.out.println(del.data);

del.next=del.next.next;

}

}

Explanation:

This Java code defines a Node class representing a node in a linked list with integer data and a reference to the next node. The Solution class contains a method ‘deleteNode’ to delete a given node from the linked list without a reference to the head node.

In the ‘deleteNode’ method:

It copies the data of the next node to the current node.
It adjusts the next reference of the current node to skip the next node.
This effectively removes the given node from the linked list.

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Java

Ritu Singh

Ritu Singh

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