编译问题
我原封不动照书上打了一段代码,就得到了如下一个错误信息。请问是什么问题?调入包:java.awt.*;java.awt.event.*;javax.swing.*;
Craps.java [64:1] addActionListener(java.awt.event.ActionListener) in javax.swing.AbstractButton cannot be applied to (Craps)
roll.addActionListener(this);
^
1 error
编译 Craps. 时出错