question: public static boolean createFile ( final String fullFilename ) { boolean result = false ; File file = new File ( fullFilename ) ; createDirectory ( file . getParent ( ) ) ; try { file . setReadable ( true , false ) ; file . setWritable ( true , true ) ; result = file . createNewFile ( ) ; } catch ( Exception e ) { throw new FileUtilException ( e ) ; } return result ; }
target:  create file,full filename,signle empty file.