fin tp piles

DEV3.2/TP04/03_Tableau/PileTableau.java

@@ -0,0 +1,35 @@
+public class PileTableau<E> implements Pile<E> {
+
+	protected E[] elements;
+
+	public PileTableau() {
+		this.elements = (E[]) new Object[16];
+	}
+
+	@Override
+	public void addFirst(E element) {
+		E[] nouveau = (E[]) new Object[16];
+		nouveau[0] = element;
+		for (int i = 0; i != this.elements.length-1; i++) {
+			nouveau[i+1] = this.elements[i]; 
+		}
+		this.elements = nouveau;
+	}
+
+	@Override
+	public E removeFirst() {
+		E[] nouveau = (E[]) new Object[16];
+		E temp = this.elements[0];
+		for (int i = 1; i != this.elements.length; i++) {
+			nouveau[i-1] = this.elements[i];
+		}
+		this.elements = nouveau;
+		return temp;
+	}
+
+	@Override
+	public boolean isEmpty() {
+		return (this.elements[0] == null);
+	}
+
+}