{filelink=23}

import javax.swing.JComboBox;
import javax.swing.JPanel;
import javax.swing.JFrame;
import javax.swing.JButton;
import javax.swing.JOptionPane;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.DefaultComboBoxModel;

public class JComboBoxUpdate extends JFrame
{
	JComboBox myCmb;
	public JComboBoxUpdate()
	{
		JPanel mainPanel=new JPanel();
		myCmb=new JComboBox();
		JButton btnSupprimer=new JButton("Modifier");
		btnSupprimer.addActionListener(new ActionListener()
		{
	
			public void actionPerformed(ActionEvent evt)
			{
				DefaultComboBoxModel cmbModel=(DefaultComboBoxModel)myCmb.getModel();
				// Modifier l'élément sélectionné
				cmbModel.setSelectedItem("=>#");
			}
		}	
				);
		Object jours[]={"Lundi", "Mardi", "Mercredi"
			           , "Jeudi", "Vendredi", "Samedi"};
		for(Object elem:jours)
		{
			myCmb.addItem(elem);
		}
		mainPanel.add(myCmb);
		mainPanel.add(btnSupprimer);
		
		add(mainPanel);
	}
	
	public static void main (String[] args) 
		{
			JComboBoxUpdate frame=new JComboBoxUpdate();
			frame.setTitle("Exemple de Modification dans JComboBox");
			frame.setSize(200, 100);
			frame.setDefaultCloseOperation(frame.EXIT_ON_CLOSE);
			frame.setVisible(true);
        }
}