mybutton.java~1~

来自「java GUI用户界面程序」· JAVA~1~ 代码 · 共 43 行

package chapter7.event;

import java.awt.*;
import java.awt.event.ActionEvent;

public class MyJButton
    extends Button
{


    public static void main(String[] args)
    {
        MyJButton myjbutton = new MyJButton();
    }

    /**
     * Processes action events occurring on this button
     * by dispatching them to any registered
     * <code>ActionListener</code> objects.
     * <p>
     * This method is not called unless action events are
     * enabled for this button. Action events are enabled
     * when one of the following occurs:
     * <p><ul>
     * <li>An <code>ActionListener</code> object is registered
     * via <code>addActionListener</code>.
     * <li>Action events are enabled via <code>enableEvents</code>.
     * </ul>
     * <p>Note that if the event parameter is <code>null</code>
     * the behavior is unspecified and may result in an
     * exception.
     *
     * @param       e the action event
     * @see         java.awt.event.ActionListener
     * @see         java.awt.Button#addActionListener
     * @see         java.awt.Component#enableEvents
     * @since       JDK1.1
     */
    protected void processActionEvent(ActionEvent e)
    {
    }
}