tests if the specified directory is not null and exists . concode_field_sep String NEWLINE concode_elem_sep String FILE_SEPARATOR concode_field_sep void deleteFile concode_elem_sep boolean isNonNullAndEqual concode_elem_sep void createParentDirectory concode_elem_sep boolean isNullOrEmpty concode_elem_sep boolean isNullOrEmpty concode_elem_sep boolean fileWritable concode_elem_sep String trimAll concode_elem_sep boolean fileExists concode_elem_sep String formatAsSentence concode_elem_sep void createFile concode_elem_sep String newline concode_elem_sep String newline concode_elem_sep Path[] getDirectoryContents concode_elem_sep Path[] getDirectoryContents concode_elem_sep String pad concode_elem_sep Path getUserHomeDirectory concode_elem_sep void appendToFile concode_elem_sep String trimLeft concode_elem_sep boolean fileReadable concode_elem_sep String getFileExtension concode_elem_sep Path getParentDirectory concode_elem_sep void createDirectory
boolean function ( Path arg0 ) { return ( arg0 != null && Files . isDirectory ( arg0 ) ) ; }