Clear JPasswordField text

Complete source code below will show you, how to clear text in JPasswordField.

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COMPLETE SOURCE CODE FOR : ClearJPasswordFieldText.java
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import javax.swing.JPasswordField;
import javax.swing.JButton;
import javax.swing.JFrame;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import java.awt.GridLayout;

public class ClearJPasswordFieldText implements ActionListener
{
//Create password field
JPasswordField passwordField=new JPasswordField(12);

//Create button with text ( Click here to clear password )
JButton button=new JButton("Click here to clear password");

//Create layout that will be use by JFrame
GridLayout gl=new GridLayout(2,1);

//Create window using JFrame with title ( Clear JPasswordField text )
JFrame frame=new JFrame("Clear JPasswordField text");

//Constructor
public ClearJPasswordFieldText()
{
 button.addActionListener(this);

 frame.setLayout(gl);
 frame.add(passwordField);
 frame.add(button);

 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 frame.setSize(400,130);
 frame.setVisible(true);
}

//override actionPerformed method
public void actionPerformed(ActionEvent event)
{
 //Action that will perform when someone click the button
 if(event.getSource()==button)
 {
  //Clear password in JPasswordField
  passwordField.setText("");
 }
}

//Main method
public static void main(String[]args)
{
 ClearJPasswordFieldText cjpft=new ClearJPasswordFieldText();
}
}

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JUST COMPILE AND EXECUTE IT
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