public static boolean deleteFile(String filePath,String filename){
  if ((filePath == null) || filePath.isEmpty() || (filename == null)|| filename.isEmpty()) {
    return false;
  }
  return deleteFile(filePath + File.separator + filename);
}

public static boolean deleteFile ( String filePath , String filename ) { if ( ( filePath == null ) || filePath . isEmpty ( ) || ( filename == null ) || filename . isEmpty ( ) ) { return false ; } return deleteFile ( filePath + File . separator + filename ) ; }
this is a quiet method .
