MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

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

import javax.swing.DefaultListSelectionModel;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;

public class MainClass extends JPanel {

    String label[] = { "Zero", "One", "Two" };

    JList list;

    public MainClass() {
        setLayout(new BorderLayout());

        list = new JList(label);
        JScrollPane pane = new JScrollPane(list);

        DefaultListSelectionModel m = new DefaultListSelectionModel();
        m.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
        m.setLeadAnchorNotificationEnabled(false);
        list.setSelectionModel(m);

        list.addListSelectionListener(new ListSelectionListener() {
            public void valueChanged(ListSelectionEvent e) {
                System.out.println(e.toString());
            }
        });

        add(pane, BorderLayout.NORTH);
    }

    public static void main(String s[]) {
        JFrame frame = new JFrame("List Example");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setContentPane(new MainClass());
        frame.pack();
        frame.setVisible(true);
    }

}