package p4a; import java.util.ArrayList; public class ArrayListStd<E> extends ArrayList<E> implements Structure{ private ArrayList<E> liste; public ArrayListStd() { liste = new ArrayList<E>(); } @Override public void ajout(Object element, int position) { liste.add(position, (E) element); } @Override public void suppression(int position) { liste.remove(position); } @Override public Object acces(int position) { return liste.get(position); } }