Java Programming

Hi
I only give one condition switch case...
but it is showing error how can i solve this in a manner...
i want to add two actions how is it possible...
Would anybody please help me ...

import javax.swing.*;
import javax.swing.JButton;
import java.awt.*;
import java.awt.Font;
import java.awt.event.*;

public class bold
{
static JTextArea textarea;
static JFrame frame;
static JPanel panel;
static 	JButton bold;
//static JButton boldcancel;

public static void main(String args[])
	{	
	frame = new JFrame("Textarea bold");
	textarea = new JTextArea(15,35);
		
	bold = new JButton("Bold");
	//boldcancel = new JButton("Cancel Bold");

	panel = new JPanel();
	panel.add(textarea);
	panel.add(bold);
	//panel.add(boldcancel);

	boldlistener blisten = new boldlistener();
	bold.addActionListener(blisten);

	//boldcancellistener bclisten = new boldcancellistener();
	//bold.addActionListener(bclisten);

	frame.getContentPane().add(panel);
	frame.setDefaultCloseOperation(3);
	frame.setSize(500,300);
	frame.setVisible(true);
	}
static class boldlistener implements ActionListener
	{
	public void actionPerformed(ActionEvent evt)
		{
		Object obj = evt.getSource();
			switch(obj == bold)  //switch
			{
			case obj :
			Font font=new Font("Courier",Font.BOLD,14); 					
			textarea.setFont(font);
			break;
			}
		}
	}
/*static class boldcancellistener implements ActionListener
	{
	public void actionPerformed(ActionEvent evtplain)
		{
		Object obj1 = evtplain.getSource();
		if(obj1 == bold)
			{
			Font font=new Font("Courier",Font.PLAIN,14); //Font.BOLD,ITALIC
			textarea.setFont(font); 
			}
		}
	}*/
}