// CSE 143, Winter 2009, Marty Stepp
// Homework 7: 20 Questions

/**
 * Interface describing abstract user interaction operations.
 * This interface is implemented by the graphical and text UIs for the game.
 * Your QuestionTree interacts with the UI through this interface.
 */
public interface UserInterface {
    public String ask(String question);
    public void println(String message);
    public boolean yesNo(String question);

    // various messages that are output by the user interface
    // (your QuestionTree does not need to refer to these messages)
    public static final String PLAY_AGAIN_MESSAGE = "Challenge me again?";
    public static final String SAVE_MESSAGE = "Shall I remember these games?";
    public static final String LOAD_MESSAGE = "Shall I recall our previous games?";
    public static final String SAVE_LOAD_FILENAME_MESSAGE = "What is the file name?";
    public static final String STATUS_MESSAGE = "Games played: %d\nI won: %d";
    public static final String BANNER_MESSAGE = "Think of an item, and I will guess it.";
}