How to use

add

method

in

org.jfree.ui.Spinner

/**
 * Creates a new spinner.
 *
 * @param value  the initial value.
 */
public Spinner(final int value) {
  super(new BorderLayout());
  this.value = value;
  this.textField = new JTextField(Integer.toString(this.value));
  this.textField.setHorizontalAlignment(SwingConstants.RIGHT);
  add(this.textField);
  this.buttonPanel = new JPanel(new GridLayout(2, 1, 0, 1));
  this.upButton = new ArrowPanel(ArrowPanel.UP);
  this.upButton.addMouseListener(this);
  this.downButton = new ArrowPanel(ArrowPanel.DOWN);
  this.downButton.addMouseListener(this);
  this.buttonPanel.add(this.upButton);
  this.buttonPanel.add(this.downButton);
  add(this.buttonPanel, BorderLayout.EAST);
}

/**
 * Creates a new spinner.
 *
 * @param value  the initial value.
 */
public Spinner(final int value) {
  super(new BorderLayout());
  this.value = value;
  this.textField = new JTextField(Integer.toString(this.value));
  this.textField.setHorizontalAlignment(SwingConstants.RIGHT);
  add(this.textField);
  this.buttonPanel = new JPanel(new GridLayout(2, 1, 0, 1));
  this.upButton = new ArrowPanel(ArrowPanel.UP);
  this.upButton.addMouseListener(this);
  this.downButton = new ArrowPanel(ArrowPanel.DOWN);
  this.downButton.addMouseListener(this);
  this.buttonPanel.add(this.upButton);
  this.buttonPanel.add(this.downButton);
  add(this.buttonPanel, BorderLayout.EAST);
}

/**
 * Creates a new spinner.
 *
 * @param value  the initial value.
 */
public Spinner(final int value) {
  super(new BorderLayout());
  this.value = value;
  this.textField = new JTextField(Integer.toString(this.value));
  this.textField.setHorizontalAlignment(SwingConstants.RIGHT);
  add(this.textField);
  this.buttonPanel = new JPanel(new GridLayout(2, 1, 0, 1));
  this.upButton = new ArrowPanel(ArrowPanel.UP);
  this.upButton.addMouseListener(this);
  this.downButton = new ArrowPanel(ArrowPanel.DOWN);
  this.downButton.addMouseListener(this);
  this.buttonPanel.add(this.upButton);
  this.buttonPanel.add(this.downButton);
  add(this.buttonPanel, BorderLayout.EAST);
}