gmp洁净地漏:java出错

来源:百度文库 编辑:杭州交通信息网 时间:2024/05/06 04:02:49
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