public SinglyLinkedList() { this.head = null; this.tail = null; }
public SinglyLinkedListNode(int nodeData) { this.data = nodeData; this.next = null; }
public SinglyLinkedList() { this.head = null; this.tail = null; }
public SinglyLinkedListNode(int nodeData) { this.data = nodeData; this.next = null; }