public void actionPerformed(ActionEvent action) { if (combocc.getSelectedItem()=="JET") { cv2.setColorModel(ColorMap.JET); } else if (combocc.getSelectedItem()=="HUE") { cv2.setColorModel(ColorMap.HUE); } else if (combocc.getSelectedItem()=="GRAY") { cv2.setColorModel(ColorMap.GRAY); } else { cv2.setLineColor(Color.BLACK); } } });