buttonhandler.java

来自「Java程序设计(美) David D. Riley著 机械工业出版社 书籍配套」· Java 代码 · 共 12 行

import java.awt.event.*;
public class ButtonHandler 
							implements ActionListener {
	public ButtonHandler()  {
		super();
	 }

	public void actionPerformed(ActionEvent e)   {
		System.out.println( "A button click event occurred" );
	}
}