Implement linkedlist

public class mylinkedlist {
  Node head;
  
  public static void main(String args[]) {
    mylinkedlist list = new mylinkedlist();
    list.head = new Node(1);
    Node second = new Node(2);
    Node third = new Node(3);
    
    list.head.next = second;
    second.next = third;
  }
}

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