【发布时间】:2013-10-20 20:07:04
【问题描述】:
由于错误,它不会让我运行程序:
BingoHelper 类型必须实现继承的抽象方法ActionListener.actionPerformed(ActionEvent)
public class BingoHelper extends JFrame implements WindowListener, ActionListener{
JButton b = new JButton(new AbstractAction("Enter"){
public void actionPerformed (ActionEvent e){
【问题讨论】:
标签: java swing action jbutton abstract