public Slider() { super("Slider"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setLookAndFeel(); JSlider pickNum = new JSlider(JSlider.HORIZONTAL, 0, 30, 5); pickNum.setMajorTickSpacing(10); pickNum.setMinorTickSpacing(1); pickNum.setPaintTicks(true); pickNum.setPaintLabels(true); add(pickNum); pack(); setVisible(true); }