document.add(new Paragraph("We invoked new page twice, yet there was no blank page added. Between the second page and this one. This is normal behaviour."));
document.newPage();
writer.setPageEmpty(false);
document.newPage();
document.add(new Paragraph("We told the writer the page wasn't empty."));
document.newPage();
document.add(Chunk.NEWLINE);
document.newPage();
document.add(new Paragraph("You can also add something invisible if you want a blank page."));
document.add(Chunk.NEXTPAGE);
document.add(new Paragraph("Using Chunk.NEXTPAGE also jumps to the next page"));