宜春 夏可欣:java出错

来源:百度文库 编辑:高校问答 时间:2024/05/14 17:26:59
error:bysj is not abstract and does not override abstract method actionPerformed(java.awt.event.ActionEvent) in java.awt.event.ActionListener
java 中语句出错:public class bysj extends JFrame implements ActionListener
此句是定义一个类并继承自JFrame