java-basics/java-programs/LinkedListFindNodeFromEnd.java at master · Sethu1910/java-basics · GitHub

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package misc;

class Node {

int data;

Node next;

Node(int d) {

data = d;

next = null;

}

public class LinkedListFindNodeFromEnd {

Node head;

// Function to get the nth node from the last of a linedList

public int getNodeFromLinkedList(int index) {

Node current = head;

int count = 1;

while(current != null) {

if(count == index) {

return current.data;

}

count++;

current = current.next;

}

assert(false);

return 0;

}

/* Inserts a new Node at front of the list. */

public void push(int data) {

Node node = new Node(data);

node.next = head;

head = node;

}

public static void main(String[] args) {

LinkedListFindNodeFromEnd linkedList = new LinkedListFindNodeFromEnd();

linkedList.push(10);

linkedList.push(20);

linkedList.push(30);

linkedList.push(40);

linkedList.push(50);

System.out.println("Element at index 2: "+linkedList.getNodeFromLinkedList(2));

}

java-basics/java-programs/LinkedListFindNodeFromEnd.java at master · Sethu1910/java-basics · GitHub

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