PDF.java

PDDocument document = new PDDocument();
PDPage page = new PDPage();
document.addPage( page );

PDFont font = PDType1Font.HELVETICA_BOLD;

PDPageContentStream contentStream = new PDPageContentStream(document, page);

contentStream.beginText();
contentStream.setFont( font, 12 );
contentStream.moveTextPositionByAmount( 100, 700 );
contentStream.drawString( ticket.toString() );
contentStream.endText();

contentStream.close();

document.save("Ticket.pdf");
document.close();