public class LinkedList {
	 Node first , last;
	private int count;

 public LinkedList(){

 }
 public void addFirst(Object x){
		if (count==0){
			first=last=new Node (x);

		}
		else
		{
			Node temp=new Node(x);
			temp.next=first;
			first=temp;
		}
		count++;
	}
 public void addLast(Object x){
		if (count==0){
			first=last=new Node (x);

		}
		else {
			Node temp = new Node(x);
			last.next=temp;
			last=last.next;

		}
		count++;
	}
 public void printList(){
		Node temp=first;
		for(int i =1;i<count;i++){
			System.out.println(temp.element);
			temp=temp.next;
		}
	}
}