Error line

误差线───error line

The second line of the error message says you are trying to add a JLabel to what the third error line is reporting as a List of JButton objects.───错误消息的第二行表明，您尝试将一个JLabel添加到第三个错误行报告的JButton对象的List。

You can fix this error by changing the first line of the method to the following.───你可以通过把方法第一行改成如下样子来修正这个错误。

The error message tells you on what line the error occurred.───这些错误消息告诉我们错误发生在哪行。

This shows that the bad indentation error line indentation tank is very large, very easily lead to a series of quality issues.───由此可见，劣质的压痕线的压痕槽误差非常大，很容易产生一系列的质量问题。

This is why lapin syntax validator is giving precious informations such as the error line number and a description of what went wrong.