Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class Main extends JPanel implements ItemListener {
    public Main() {
        JCheckBox cb = new JCheckBox("www.java2s.com");
        cb.addItemListener(this);
        add(cb);
    }

    public void itemStateChanged(ItemEvent ie) {
        JCheckBox cb = (JCheckBox) ie.getItem();
        int state = ie.getStateChange();
        if (state == ItemEvent.SELECTED) {
            System.out.println(cb.getText() + " selected");
        } else {
            System.out.println(cb.getText() + " cleared");
        }
    }

    public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.add(new Main());

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(200, 200);
        frame.setVisible(true);
    }
}