MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

/*
 */
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class MainClass {

    public static void main(String[] args) {
        JButton jb = new JButton("Press Me");

        jb.addItemListener(new ItemListener() {
            public void itemStateChanged(ItemEvent ev) {
                System.out.println("ItemEvent!");
            }
        });

        jb.addChangeListener(new ChangeListener() {
            public void stateChanged(ChangeEvent ev) {
                System.out.println("ChangeEvent!");
            }
        });

        JFrame f = new JFrame();
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.getContentPane().add(jb);
        f.pack();
        f.setVisible(true);
    }
}