public ConfirmDialog(Frame p, String title, String question, boolean includeCheckbox) { this(p, title, question, includeCheckbox, 'y');
public ConfirmDialog(Frame p, String title, String question) { this(p, title, question, false);
    public ConfirmDialog(Frame p, String title, String question, boolean includeCheckbox) {        this(p, title, question, includeCheckbox, 'y');    }