Problem handling ActionEvent in JButton

Question

I am having a peculiar while handling an ActionEvent associated with a JButton okB.
Here is the code:
okB.addActionListener (
     new ActionListener()
          public void actionPerformed(ActionEvent e)
               System.out.println("Triggering Action");
               saveProgress();
               controlPanel.remove(buttonPanel);
               controlPanel.remove(slider);
               messageLabel.setText("Click on a button to perform an operation");
               repaint();
);Here I am trying to call a method to perform some operations and then remove some components from the panel containing them.
Everything is working fine except one peculiar problem. The code inside the actionPerformed method is running more than once. When I click "OK" button for the first time, the actionPerformed is looping 1 time, when I click it for the second time, its looping 2 times. I confirmed this through the println code. I removed the problem through a loop control variable as follows:
loopCOntrol = true;
okB.addActionListener (
     new ActionListener()
          public void actionPerformed(ActionEvent e)
               if(loopControl)
                    loopControl = false;
                    saveProgress();
                    controlPanel.remove(buttonPanel);
                    controlPanel.remove(slider);
                    messageLabel.setText("Click on a button to perform an operation");
                    repaint();
);Though this code is working correctly, still it is sort of a patch to the problem which I dont like. Is there any explanation for the problem?

Answer 1

You are probably re-adding the listener somewhere. This would cause you to get one more event notice each time