Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JOptionPane;

public class Main {

    public static void main(String[] args) {
        String[] items = new String[] { "One", "Two", "Three", "Four" };
        JList<String> list = new JList<>(items);
        JFrame f = new JFrame();
        f.add(list, BorderLayout.CENTER);
        JButton btn = new JButton("Get selected");
        btn.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                JOptionPane.showConfirmDialog(f, "You Selected : " + list.getSelectedValue(), "Display",
                        JOptionPane.PLAIN_MESSAGE);
            }
        });

        f.add(btn, BorderLayout.SOUTH);
        f.pack();
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.setVisible(true);
    }
}