try to delete a file . concode_field_sep PlaceHolder placeHolder concode_field_sep InputStream openFileInputStream concode_elem_sep String getParent concode_elem_sep long getLastModified concode_elem_sep String getAbsolutePath concode_elem_sep long length concode_elem_sep String getFileInUserHome concode_elem_sep String createTempFile concode_elem_sep OutputStream openFileOutputStream concode_elem_sep void delete concode_elem_sep boolean fileStartsWith concode_elem_sep void setLength concode_elem_sep void setLength concode_elem_sep void trace concode_elem_sep boolean isReadOnly concode_elem_sep void rename concode_elem_sep void mkdirs concode_elem_sep String normalize concode_elem_sep void createDirs concode_elem_sep boolean exists concode_elem_sep boolean isAbsolute concode_elem_sep String getFileName concode_elem_sep String[] listFiles concode_elem_sep boolean isDirectory
boolean function ( String arg0 ) { return FileSystem . getInstance ( arg0 ) . tryDelete ( arg0 ) ; }