super (parent, parent.getGraphicsConfiguration ());   this.title = (title != null) ? title : ""; this.modal = modal; visible = false;  setLayout (new BorderLayout ());
this(parent, "", false);
Dialog (Dialog parent, String title, boolean modal, GraphicsConfiguration gc){  super (parent, parent.getGraphicsConfiguration ());  // A null title is equivalent to an empty title    this.title = (title != null) ? title : "";		this.modal = modal;  visible = false;  setLayout (new BorderLayout ());}