The constructor Timer(int, new ActionListener(){}) is undefined
报这个错很郁闷，因为在同一个包下另一个类中好好的，粘贴过来就报错了。按F3进入源码查看，点进去直接是类，而不是构造方法，ctrl+o查看其所有成员，发现并无该构造方法，只有一无参构造。遂怀疑是导包导错所致，果真。 应该导入的是swing包下的，ctrl+shift+o默认导包导错所致。
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相关文章
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