import java.util.List;

public class NotifyMethodProblem {
    public static interface Notifyable {
        public Object notify(Object msg);
    }

    public static class InnerClass<C extends Notifyable> {
        private List<C> list;

        public InnerClass() {
            // *** Here: the notify-method is not available
            this.list.get(0).notify(null);

            ((Notifyable) this.list.get(0)).notify(null);
        }
    }
}