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import java.util.Objects;
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import java.util.LinkedList;
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import java.util.Deque;
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/**
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* Implémentation de l'interface MinimalDeque
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*
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* sert uniquement à tester les tests
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* contrairement au sujet de Luc "Huck" Hernandez, fonctionne par délégation à un attribut
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* implémentant Deque (ici une LinkedList)
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*
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* @author Florent Madelaine
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* @see Java.util.Deque
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*/
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public class SimpleDequeThatsNotCricket<E> implements MinimalDeque<E>{
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/**
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* attribut à qui on va déléguer le travail.
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*/
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private Deque<E> d;
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public SimpleDequeThatsNotCricket(){
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this.d = new LinkedList<E>();
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}
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public void addFirst(E e){
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Objects.requireNonNull(e, "e must not be null");
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this.d.addFirst(e);
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}
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public void addLast(E e){
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Objects.requireNonNull(e, "e must not be null");
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this.d.addLast(e);
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}
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public boolean isEmpty(){
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return this.d.isEmpty();
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}
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public E removeFirst(){
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return this.d.removeFirst();
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}
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public E removeLast(){
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return this.d.removeLast();
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}
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public String toString(){
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return this.d.toString();
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}
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}
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