링크드리스트(Linked List)에 대하여

public class SingleLinkedList<T> {
	
	public Node<T> head = null;
	
	public class Node<T> {
		
		T data;
		Node<T> next = null;
		
		public Node(T data) {
			this.data = data;
		}
	}
	
	public void addNode(T data) {
		
		if (head == null) {
			
			head = new Node<T>(data);
		} else {
			Node<T> node = this.head;
			while (node.next !=null) {
				node = node.next;
			}
			node.next = new Node<T>(data);
		}
	}
	
	public void printAll() {
		if (head != null) {
			Node<T> node = this.head;
			System.out.println(node.data);
			while (node.next != null) {
				node = node.next;
				System.out.println(node.data);
			}
		}
	}
	
	public static void main(String[] args) {
		
		SingleLinkedList<Integer> MyLinkedList = new SingleLinkedList<Integer>();
		
		MyLinkedList.addNode(1);
		MyLinkedList.addNode(2);
		MyLinkedList.addNode(3);
		
		MyLinkedList.printAll();
		
	}

}