Ajuda no iText

public class TabelaSimples {

	public void gerarArquivoPdf() throws Exception {

		Document documento = getDocument("Juliano Alves", "Tabela Simples", false);
		PdfWriter writer = PdfWriter.getInstance(documento, new FileOutputStream("TabelaSimples.pdf"));
		documento.open();
		
		Table table = new Table(4);
		table.setWidth(100); // Porcentagem de largura da página
		//table.setBorder(Rectangle.NO_BORDER);
		int[] a = {30, 30, 20, 20}; // Porcentagens
		table.setWidths(a);
		
		createPdfCell(table, "Nome", Cell.ALIGN_CENTER, 1, 1, true, 12);
		createPdfCell(table, "Email", Cell.ALIGN_CENTER, 1, 1, true, 12);
		createPdfCell(table, "Tel.", Cell.ALIGN_CENTER, 1, 1, true, 12);
		createPdfCell(table, "Cel.", Cell.ALIGN_CENTER, 1, 1, true, 12);
		
		createPdfCell(table, "José da Silva", Cell.ALIGN_LEFT, 1, 1, false, 10);
		createPdfCell(table, "[email removido]", Cell.ALIGN_LEFT, 1, 1, false, 10);
		createPdfCell(table, "([telefone removido]", Cell.ALIGN_CENTER, 1, 1, false, 10);
		createPdfCell(table, "([telefone removido]", Cell.ALIGN_CENTER, 1, 1, false, 10);
		
		createPdfCell(table, "Antônio Paiva", Cell.ALIGN_LEFT, 1, 1, false, 10);
		createPdfCell(table, "[email removido]", Cell.ALIGN_LEFT, 1, 1, false, 10);
		createPdfCell(table, "([telefone removido]", Cell.ALIGN_CENTER, 1, 1, false, 10);
		createPdfCell(table, "([telefone removido]", Cell.ALIGN_CENTER, 1, 1, false, 10);
		
		createPdfCell(table, "Tatiana Tomaz", Cell.ALIGN_LEFT, 1, 1, false, 10);
		createPdfCell(table, "[email removido]", Cell.ALIGN_LEFT, 1, 1, false, 10);
		createPdfCell(table, "([telefone removido]", Cell.ALIGN_CENTER, 1, 1, false, 10);
		createPdfCell(table, "([telefone removido]", Cell.ALIGN_CENTER, 1, 1, false, 10);
		
		documento.add(table);
		documento.close();
	}

	public void createPdfCell(Table table, String content, int aligment,
			int colspan, int rowspan, boolean bold, int fontSize)
			throws Exception {

		Cell cell = null;

		if (bold)
			cell = new Cell(new Phrase(content, FontFactory.getFont(
					FontFactory.HELVETICA, fontSize, Font.BOLD)));
		else
			cell = new Cell(new Phrase(content, FontFactory.getFont(
					FontFactory.HELVETICA, fontSize, Font.NORMAL)));

		cell.setHorizontalAlignment(aligment);
		//cell.setBorder(Rectangle.NO_BORDER);
		cell.setColspan(colspan);
		cell.setRowspan(rowspan);
		table.addCell(cell);
	}

	public Document getDocument(String autor, String titulo, boolean landscape) {
		Document documento = null;

		if (landscape)
			documento = new Document(PageSize.A4.rotate(), 30, 30, 30, 30);
		else
			documento = new Document(PageSize.A4, 30, 30, 30, 30);

		documento.addAuthor(autor);
		documento.addTitle(titulo);
		return documento;
	}

	public static void main(String[] args) {
		try {
			new TabelaSimples().gerarArquivoPdf();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}