public static void main(String[] args) throws FileNotFoundException {
Document pdfDocument = new Document(“aaa.pdf”);
for (int pageCount = 1; pageCount <= pdfDocument.getPages().size(); pageCount++) {
// Create stream object to save the output image
String outputFilePath = “aa.jpg”;
log.info(“pdf outputFilePath:” + outputFilePath);
final Instant now = Instant.now();
java.io.OutputStream imageStream = new java.io.FileOutputStream(outputFilePath);
JpegDevice JpegDevice = new JpegDevice(50);
JpegDevice.process(pdfDocument.getPages().get_Item(pageCount), imageStream);
imageStream.close();
}
}