Add Text Watermark to DOCX Using Java. For more information, please follow link: https://kb.groupdocs.com/watermark/java/add-text-watermark-to-docx-using-java/

Add Text Watermark to DOCX Using Java.java

import com.groupdocs.watermark.common.HorizontalAlignment;
import com.groupdocs.watermark.common.VerticalAlignment;
import com.groupdocs.watermark.Watermarker;
import com.groupdocs.watermark.licenses.License;
import com.groupdocs.watermark.watermarks.Font;
import com.groupdocs.watermark.watermarks.SizingType;
import com.groupdocs.watermark.watermarks.TextWatermark;

public class AddTextWatermarktoDOCXusingJava {

    public static void main(String[] args) {

        // Set License to avoid the limitations of Watermark library
        License license = new License();
        license.setLicense("GroupDocs.Watermark.lic");

        Watermarker watermarker = new Watermarker("input.docx");

        Font font = new Font("Calibri", 8);
        TextWatermark watermark = new TextWatermark("Text watermark", font);
        watermark.setHorizontalAlignment(HorizontalAlignment.Right);
        watermark.setVerticalAlignment(VerticalAlignment.Top);
        watermark.setSizingType(SizingType.ScaleToParentDimensions);
        watermark.setScaleFactor(0.5);

        // Set rotation angle
        watermark.setRotateAngle(45);

        watermarker.add(watermark);
        watermarker.save("output.docx");

        watermarker.close();
    }
}