I'm doing a small GUI program it is that I have two buttons when I press on any of the buttons it displays a dialog box saying which button I pressed .One of the buttons is a text with image displayed on it . my problem is that an exception occurs when the program runs saying NULL pointer exception means it can't reach the image given in IMageIcon how can I solve this problem if I want to display an image from my computer on button and here is code :

Button Frame class

public class ButtonFrame extends JFrame{

    private JButton plainJButton;
    private JButton fancyJButton;

    public ButtonFrame()
    {
        super("Testing Buttons");
        setLayout(new FlowLayout());
         plainJButton=new JButton("Plain Button");
         add(plainJButton);

        Icon bug1=new ImageIcon(getClass().getResource("20072011001.jpeg"));
        Icon bug2=new ImageIcon(getClass().getResource("20072011002.jpeg"));
        fancyJButton=new  JButton("Fancy Button",bug1);
        fancyJButton.setRolloverIcon(bug2);
        add(fancyJButton);

        ButtonHandler handler=new ButtonHandler();

        fancyJButton.addActionListener(handler);
        plainJButton.addActionListener(handler);





    }
    private class ButtonHandler implements ActionListener
    {

        public void actionPerformed(ActionEvent e) {
            JOptionPane.showMessageDialog(ButtonFrame.this,String.format("you pressed %s", e.getActionCommand()));
        }
    }

Main.java

ButtonFrame buttonFrame=new ButtonFrame();
        buttonFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        buttonFrame.setSize(275, 110);
        buttonFrame.setVisible(true);

have you tried to use

ImageIcon bug1=new ImageIcon("20072011001.jpeg");
        ImageIcon bug2=new ImageIcon("20072011002.jpeg");

?

yes they are in the same folder and still I get an exception when I checked out I knew and removed the images so that they're in the same folder but still I get an exception javaAddict :) thnx

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