import com.spire.pdf.*;
import com.spire.pdf.annotations.*;

import java.io.FileWriter;

public class Test {
    public static void main(String[] args) throws Exception {
        //Create an object of PdfDocument class.
        PdfDocument pdf = new PdfDocument();
        //Load the sample PDF document
        pdf.loadFromFile("Annotations.pdf");

        //Get the annotation collection of the first page of the document.
        PdfAnnotationCollection annotations = pdf.getPages().get(0).getAnnotationsWidget();

        //Create a StringBuilder object
        StringBuilder content = new StringBuilder();

        //Traverse all the annotations
        for (int i = 0; i < annotations.getCount(); i++) {

            //If it is the pop-up annotations, continue
              if (annotations.get(i) instanceof PdfPopupAnnotationWidget)
              continue;
              
                //Get the annotations’ author
                content.append("Annotation Author: " + annotations.get(i).getAuthor()+"\n");

                //Get the annotations’ text
                content.append("Annotation Text: " + annotations.get(i).getText()+"\n");

                //Get the annotations’ modified date
                String modifiedDate = annotations.get(i).getModifiedDate().toString();
                content.append("Annotation ModifiedDate: " + modifiedDate+"\n");

                //Get the annotations’ name
                content.append("Annotation Name: " + annotations.get(i).getName()+"\n");

                //Get the annotations’ location
                content.append ("Annotation Location: " + annotations.get(i).getLocation()+"\n");
                }
        
        //Write to a .txt file
        FileWriter fw = new FileWriter("GetAnnotations.txt");
        fw.write(content.toString());
        fw.flush();
        fw.close();
        }
    }

import com.spire.doc.*;
import com.spire.doc.documents.Paragraph;
import com.spire.doc.documents.TextWrappingStyle;
import com.spire.doc.fields.DocPicture;

public class AddStamp {
    public static void main(String[] args) {
        //Create a Document instance
        Document doc = new Document();

        //Load a Word document
        doc.loadFromFile("test.docx");

        //Get the specific paragraph
        Section section = doc.getSections().get(0);
        Paragraph paragraph = section.getParagraphs().get(4);

        //Add an image 
        DocPicture picture = paragraph.appendPicture("cert.png");

        //Set the position of the image
        picture.setHorizontalPosition(240f);
        picture.setVerticalPosition(120f);

        //Set width and height of the image
        picture.setWidth(150);
        picture.setHeight(150);

        //Set wrapping style of the image to In_Front_Of_Text, so that it looks like a stamp
        picture.setTextWrappingStyle(TextWrappingStyle.In_Front_Of_Text);

        //Save the document to file
        doc.saveToFile("AddStamp.docx", FileFormat.Docx);
        doc.dispose();
    }
}

import com.spire.pdf.PdfDocument;
import com.spire.pdf.utilities.PdfTable;
import com.spire.pdf.utilities.PdfTableExtractor;

import java.io.FileWriter;

public class ExtractTableData {
    public static void main(String []args) throws Exception {

        //Load a sample PDF document
        PdfDocument pdf = new PdfDocument("Sample.pdf");

        //Create a StringBuilder instance
        StringBuilder builder = new StringBuilder();
        //Create a PdfTableExtractor instance
        PdfTableExtractor extractor = new PdfTableExtractor(pdf);

        //Loop through the pages in the PDF
        for (int pageIndex = 0; pageIndex < pdf.getPages().getCount(); pageIndex++) {
            //Extract tables from the current page into a PdfTable array
            PdfTable[] tableLists = extractor.extractTable(pageIndex);
            
            //If any tables are found
            if (tableLists != null && tableLists.length > 0) {
                //Loop through the tables in the array
                for (PdfTable table : tableLists) {
                    //Loop through the rows in the current table
                    for (int i = 0; i < table.getRowCount(); i++) {
                        //Loop through the columns in the current table
                        for (int j = 0; j < table.getColumnCount(); j++) {
                            //Extract data from the current table cell and append to the StringBuilder 
                            String text = table.getText(i, j);
                            builder.append(text + " | ");
                        }
                        builder.append("\r\n");
                    }
                }
            }
        }

        //Write data into a .txt document
        FileWriter fw = new FileWriter("ExtractTable.txt");
        fw.write(builder.toString());
        fw.flush();
        fw.close();
    }
}