package T01.Aufgabe05;

/**
 * Class to represent a ArrayQueue (using an array).
 */
public class ArrayQueue {
  private Produkt queue[] = new Produkt[100];

  /**
   * Method to add a product to the Queue.
   *
   * @param produkt The product to add.
   */
  public void add(Produkt produkt) {
    for (int i = 0; i < this.queue.length; i++) {
      if (queue[i] == null) {
        int j = i;
        while (j > 0) {
          queue[j] = queue[j - 1];
          j--;
        }
        break;
      }
    }
    queue[0] = produkt;
  }

  /**
   * Method to take a product from the Queue.
   *
   * @return The product taken from the Queue.
   */
  public Produkt take() {
    Produkt produkt = queue[0];

    for (int i = 0; i < queue.length; i++) {
      if (queue[i] == null) {
        break;
      }
      queue[i] = queue[i + 1];
    }
    return produkt;
  }
}