import java.util.ArrayList;
import javax.swing.JOptionPane;
/**
* Graphical user interface for decision support application.
*
* @author Dr. Jody Paul
* @version 4 April 2006
*/
public class GraphicalUserInterface extends UserInterface {

    public ArrayList < Choice > getChoices() {
        ArrayList < Choice > alchoice = new ArrayList < Choice >();
        /* Your code here */
        return alchoice;
    }

    public ArrayList < Characteristic > getCharacteristics() {
        ArrayList < Characteristic > alchar = new ArrayList < Characteristic >();
        /* Your code here */
        return alchar;
    }

    public void getCharacteristicRankings(ArrayList < Characteristic > alc, int defaultValue) {
        /* Your code here */
    }

    public double[][] getCrossRankings(ArrayList < Choice > choices, ArrayList < Characteristic > characteristics, int defaultValue) {
        double[][] crossRankings = new double[choices.size()][characteristics.size()];
        /* Your code here */
        return crossRankings;
    }

    public void showResults(ArrayList < Choice > choices) {
        /* Your code here. */
    }
}