Java by API/javax.swing/SpinnerListModel

extends SpinnerListModel [Circle Spinner Model]

import java.awt.BorderLayout;
import java.util.List;
import javax.swing.JFrame;
import javax.swing.JSpinner;
import javax.swing.SpinnerListModel;
import javax.swing.SpinnerModel;
public class MainClass {
  public static void main(final String args[]) {
    JFrame frame = new JFrame("JSpinner Dates");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    SpinnerModel model3 = new RolloverSpinnerListModel(new String[]{"a","b","c"});
    JSpinner spinner3 = new JSpinner(model3);
    frame.add(spinner3, BorderLayout.SOUTH);
    frame.setSize(200, 90);
    frame.setVisible(true);
  }
}
class RolloverSpinnerListModel extends SpinnerListModel {
  public RolloverSpinnerListModel(List<?> values) {
    super(values);
  }
  public RolloverSpinnerListModel(Object[] values) {
    super(values);
  }
  public Object getNextValue() {
    Object returnValue = super.getNextValue();
    if (returnValue == null) {
      returnValue = getList().get(0);
    }
    return returnValue;
  }
  public Object getPreviousValue() {
    Object returnValue = super.getPreviousValue();
    if (returnValue == null) {
      List list = getList();
      returnValue = list.get(list.size() - 1);
    }
    return returnValue;
  }
}

new SpinnerListModel()

import java.awt.BorderLayout;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSpinner;
import javax.swing.SpinnerListModel;
import javax.swing.SpinnerModel;
public class MainClass {
  public static void main(final String args[]) {
    JFrame frame = new JFrame("JSpinner Dates");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    SpinnerModel model1 = new SpinnerListModel();
    JSpinner spinner1 = new JSpinner(model1);
    JLabel label1 = new JLabel("None");
    JPanel panel1 = new JPanel(new BorderLayout());
    panel1.add(label1, BorderLayout.WEST);
    panel1.add(spinner1, BorderLayout.CENTER);
    frame.add(panel1, BorderLayout.NORTH);

    frame.setSize(200, 90);
    frame.setVisible(true);
  }
}

new SpinnerListModel(Object[] days)

import java.awt.BorderLayout;
import java.text.DateFormatSymbols;
import java.util.Locale;
import javax.swing.JFrame;
import javax.swing.JSpinner;
import javax.swing.SpinnerDateModel;
import javax.swing.SpinnerListModel;
import javax.swing.SpinnerModel;
public class MainClass {
  public static void main(String args[]) {
    JFrame f = new JFrame("JSpinner Sample");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    DateFormatSymbols symbols = new DateFormatSymbols(Locale.FRENCH);
    String days[] = symbols.getWeekdays();
    SpinnerModel model1 = new SpinnerListModel(days);
    SpinnerModel model2 = new SpinnerDateModel();
    JSpinner spinner1 = new JSpinner(model1);
    JSpinner spinner2 = new JSpinner(model2);
    f.add(spinner1, BorderLayout.NORTH);
    f.add(spinner2, BorderLayout.SOUTH);
    f.setSize(300, 100);
    f.setVisible(true);
  }
}