System.out.println("FDEG: " + selectedVertex + " [" + degree + "]");
			public void actionPerformed(ActionEvent e) {				Object [] fargs = new Object[2];				Vertex selectedVertex = (Vertex) vertices.getSelectedItem();				String selectedDegree = (String) degree.getSelectedItem();				Integer degree = null;				try {					degree = Integer.valueOf(selectedDegree.substring(0, 1));				} catch (NumberFormatException exception) {					// show all nodes					degree = new Integer(-1);				}				fargs[0] = selectedVertex;				fargs[1] = degree;				System.out.println("FDEG: " + selectedVertex + " [" + degree + "]");				ctl.runFilter(fargs);			}