frame.getContentPane().setLayout(new FlowLayout());JList fileList = new JList();FileListModelTest filemodel = new FileListModelTest(fileList, "/Users/torstenbuchner/Desktop/testoutput/");fileList.setModel(filemodel);JScrollPane scrollbar = new JScrollPane(fileList);frame.getContentPane().add(scrollbar);frame.pack();frame.setVisible(true);