basic-computer-games/84_Super_Star_Trek/java/GameCallback.java

/**
 * Interface for decoupling inversion of control from GalaxyMap and Enterprise towards the game class.
 */
public interface GameCallback {
    void enterNewQuadrant();
    void incrementStardate(double increment);
    void endGameSuccess();
    void endGameFail(boolean enterpriseDestroyed);
}