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

		LinkedList<Integer> myList = new LinkedList<Integer>();

		System.out.println("created and empty list:");
		System.out.println(myList);
		System.out.println();
		
		myList.addFront(10);
		System.out.println("inserted 10 to front:");
		System.out.println(myList);
		System.out.println();
		
		myList.addBack(20);
		System.out.println("inserted 20 to back:");
		System.out.println(myList);
		System.out.println();
		
		myList.addFront(30);
		System.out.println("inserted 30 to front:");
		System.out.println(myList);
		System.out.println();

		int result;
		result = myList.get(2);
		System.out.println("Accessed item at position 2:");
		System.out.println(result);
		System.out.println();
		
		result = myList.get(3);
		System.out.println("Accessed item at position 4:");
		System.out.println(result);
		System.out.println();

    }
}