Main.java Source code

Introduction

Here is the source code for Main.java

Source

import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;

public class Main extends JFrame {

    public Main() {
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        String items[] = { "A", "B", "C", "D" };
        JList list = new JList(items);
        ListSelectionModel selModel = list.getSelectionModel();

        selModel.addListSelectionListener(new ListSelectionListener() {
            public void valueChanged(ListSelectionEvent e) {
                if (!e.getValueIsAdjusting()) {
                    System.out.println("selection changed: " + e.getFirstIndex());
                }
            }
        });
        getContentPane().add(list);
        pack();
        setVisible(true);
    }

    public static void main(String[] args) {
        Main m = new Main();
    }
}