import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.pdf.GrayColor;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
public static void main(String[] args) throws Exception {
Document.compress = false;
Document document = new Document();
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
document.open();
PdfContentByte cb = writer.getDirectContent();
cb.setColorStroke(new GrayColor(0.2f));
cb.setColorFill(new GrayColor(0.9f));
cb.moveTo(250, 700);
cb.lineTo(350, 700);
cb.lineTo(350, 800);
cb.lineTo(250, 800);
cb.fill();
document.close();
}
}