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