public class FilerException extends IOException
Filer检测到尝试打开文件将违反Filer提供的Filer 。 
       这些保证包括不要多次创建相同的文件,而不是创建对应于相同类型的多个文件,而不是为具有无效名称的类型创建文件。 
      | Constructor and Description | 
|---|
| FilerException(String s)
              使用指定的详细消息构造异常。 
             | 
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toStringpublic FilerException(String s)
s - the detail message, which should include the name of the file attempting to be opened; may be 
            null 
            Submit a bug or feature 
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