package model;

public interface Datenmodell {
	int getSize();
	double getValue(int index);
	void addValue(double value);
	void deletValue(int index);
	double getMin();
	double getMax();
	double getMean();
	double getStdDeviation();
	public abstract void addValuesChangeListener(ValueChangeListener listener);

	/**
	 * Removes a ListChangeListener from the list of listeners.
	 * 
	 * @param listener
	 *            The listener to remove.
	 */
	public abstract void removeValuesChangeListener(ValueChangeListener listener);
}