docs: public static String tail2( File file, int lines) {
          lines++;    // Read # lines inclusive
          java.io.RandomAccessFile fileHandler = null;
          try {
              fileHandler =
                      new java.io.RandomAccessFile( file, "r" );
              long fileLength = fileHandler.length() - 1;
              StringBuilder sb = new StringBuilder();
              int line = 0;
  
              for(long filePointer = fileLength; filePointer != -1; filePointer--){
                  fileHandler.seek( filePointer );
                  int readByte = fileHandler.readByte();
  
                  if( readByte == 0xA ) {
                      line = line + 1;
                      if (line == lines) {
                          if (filePointer == fileLength - 1) {
                              continue;
                          } else {
                              break;
                          }
                      }
                  }
                  sb.append( ( char ) readByte );
              }
  
              String lastLine = sb.reverse().toString();
              return lastLine;
          } catch( java.io.FileNotFoundException e ) {
              e.printStackTrace();
              return null;
          } catch( java.io.IOException e ) {
              e.printStackTrace();
              return null;
          }
          finally {
              if (fileHandler != null )
                  try {
                      fileHandler.close();
                  } catch (IOException e) {
                  /* ignore */
                  }
          }
      }