Linked List implementation 1. Defining class Node A list contain a head which is a pointer (reference) to the first node. The first step we should define a Linked List implementation 1. Defining class Node A list contain a head which is a pointer (reference) to the first node. The first step we should define a Node Class. NodecE>\{ E data; NodecE) next; public Node(E data)\{ this.data = data; next = null; public String tostring()\{ return datat " "; \}