package ooo;

public int data;
public Node next;

public Node(int data, Node next) {
    this.data = data;
    this.next = next;

}

package ooo;

public static void main(String[] args) {
    Node a = new Node(1,null);
    System.out.println(a.data);
}

LinkedList<Node> linkedlist = new LinkedList<Node>();