Get selected value from JList in Java

//from   w ww .  j  a v a2s.  c o  m
  
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.DefaultListModel;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JScrollPane;

public class Main {
  public static void main(String args[]) {
    JFrame frame = new JFrame("Modifying Model");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    // Fill model
    String labels[] = { "A", "java2s.com", "C", "D", "E", "F", "G" };
    final DefaultListModel<String> model = new DefaultListModel<String>();
    for (int i = 0, n = labels.length; i < n; i++) {
      model.addElement(labels[i]);
    }
    final JList<String> jlist = new JList<String>(model);
    JScrollPane scrollPane1 = new JScrollPane(jlist);
    frame.add(scrollPane1, BorderLayout.CENTER);

    JButton jb = new JButton("Add");

    jb.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent actionEvent) {
        System.out.println(jlist.getSelectedValue());
      }
    });

    frame.add(jb, BorderLayout.SOUTH);

    frame.setSize(640, 300);
    frame.setVisible(true);
  }
}