PDF im String speichern

public class FundB_ParserZahlenBU {
	public static void main(String[] args) {

             File pdfFile = new File("C:\\Users\\...pdf");
		try {
			PDDocument pddocument = PDDocument.load(pdfFile);
			PDFTextStripper pdfStripper = new PDFTextStripper();
			String text = pdfStripper.getText(pddocument);
			pddocument.close();

                        } catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			}

}