{ for (myjava.gui.syntax.Painter painter : myjava.gui.syntax.Painter.getPainters()) { painterComboBox.addItem(painter); EntryListPanel panel = new EntryListPanel(painter); listPanelSet.add(panel); centerPanel.add(panel, painter.getName()); } componentSet.addAll(Arrays.asList(matchBracket, painterComboBox, centerPanel)); }