Provide a createContents method for a program that initially displays this window:When the...

Provide a

createContents

When the user clicks the left combo box, this displays:

When the user clicks the right combo box, this displays:

Your createContents method must work in conjunction with this program skeleton:

import javax.swing.*;import java.awt.*;public class ComboBoxExample extends JFrame{   private JComboBox daysBox;   private JComboBox monthsBox;   private String[] days =     {"Monday", "Tuesday", "Wednesday", "Thursday", "Friday"};   private String[] months =     {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"};   public ComboBoxExample()   {     setTitle("Combo Box Example");     setSize(400, 225);     setDefaultCloseOperation(EXIT_ON_CLOSE);     createContents();     setVisible(true);   } // end ComboBoxExample constructor   <The createContents method goes here.>   public static void main(String[] args)   {     new ComboBoxExample();   }} // end class ComboBoxExample