LinkedList 1er parte - ILinkedList.java

//
// Created by Julio Tentor <jtentor@fi.unju.edu.ar>
//

// from https://docs.oracle.com/en/java/javase/15/docs/api/java.base/java/util/LinkedList.html
public interface ILinkedList<ELEMENT> extends Iterable<ELEMENT> {

    // Returns the number of elements in this list.
    public int size();

    // Inserts the specified element at the beginning of this list.
    public void addFirst(ELEMENT item);
    // Appends the specified element to the end of this list.
    public void addLast(ELEMENT item);
    // Removes and returns the first element from this list.
    public ELEMENT removeFirst();
    // Removes and returns the last element from this list.
    public ELEMENT removeLast();

}