Linked List in Java without Collections

• Linked List in Java without Collections

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

public class Main {
    public static void main(String[] args) {

        Node n1 = new Node(5);
        Node n2 = new Node(6);
        Node n3 = new Node(7);
        Node n4 = new Node(8);
        n1.next = n2;
        n2.next = n3;
        n3.next = n4;

        Node start  = n1;
        while(start!=null) {
          System.out.println(start.data+" ");
          start = start.next;
        }
    }
}