FileInputStream in = null;
		
		try 
		{
			in = new FileInputStream("C:\\opt\\sas\\class.sas7bdat");
		} 
		catch (FileNotFoundException e) 
		{
			e.printStackTrace();
		}
		
		SasFileReader sasFileReader = new SasFileReaderImpl(in);
		
		List<Column> columns = sasFileReader.getColumns();

		for (Column c : columns) 
		{
			System.out.println(c.getName() + " | " + c.getFormat() + " | " + c.getFormat().getWidth() + " | " + c.getFormat().getPrecision());
		}