Get Model from JComboBox and set it to JList in Java

  //from  w  w  w. j a  v  a 2 s.  c  o  m


import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;

public class Main {
  public static void main(String[] args) {
    JFrame frame = new JFrame("Lister v1.0");

    String[] items = { "A", "B", "C" };
    JComboBox comboBox = new JComboBox(items);
    comboBox.setEditable(true);

    final JList list = new JList(comboBox.getModel());

    JButton button = new JButton("Per favore");
    button.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent ae) {
        Object[] selection = list.getSelectedValues();
        for (Object s : selection)
          System.out.println(s);
      }
    });

    JPanel comboPanel = new JPanel();
    comboPanel.add(comboBox);
    frame.add(comboPanel, BorderLayout.NORTH);
    frame.add(new JScrollPane(list), BorderLayout.CENTER);
    frame.add(button, BorderLayout.SOUTH);

    frame.setSize(200, 200);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
  }
}