CustomLinkedList.java

import java.util.Scanner;

class Node {
    int data;
    Node next;

    Node(int d) {
        data = d;
        next = null;
    }
}

public class CustomLinkedList {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        Node head = null, tail = null;

        System.out.print("How many elements? ");
        int n = sc.nextInt();

        System.out.println("Enter " + n + " numbers:");
        for (int i = 0; i < n; i++) {
            int value = sc.nextInt();
            Node newNode = new Node(value);

            if (head == null) {
                head = newNode;
                tail = newNode;
            } else {
                tail.next = newNode;
                tail = newNode;
            }
        }

        // Print the linked list
        System.out.println("Linked List elements:");
        Node temp = head;
        while (temp != null) {
            System.out.print(temp.data + " -> ");
            temp = temp.next;
        }
        System.out.println("null");
    }
}