import com.spire.pdf.*;
import com.spire.pdf.graphics.*;
import java.awt.*;
import java.awt.geom.*;

public class PdfSuperscriptText {
    public static void main(String[] args) {

        //Create a new PdfDocument instance
        PdfDocument doc = new PdfDocument();
        //Add a page to pdf
        PdfPageBase page = doc.getPages().add();

        //Set the font
        PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("Arial", Font.PLAIN,14),true);
        PdfSolidBrush brush = new PdfSolidBrush(new PdfRGBColor(Color.black));

        //Set initial (x, y) coordinate
        float x = 120f;
        float y = 100f;

        //Draw text string
        String text = "Sample Text";
        page.getCanvas().drawString(text, font, brush, new Point2D.Float(x, y));

        //Measure the string
        Dimension2D size = font.measureString(text);
        x += size.getWidth();

        //Draw the text string and set the format as Superscript
        PdfStringFormat format = new PdfStringFormat();
        format.setSubSuperScript(PdfSubSuperScript.Super_Script);
        text = "Superscrip";
        page.getCanvas().drawString(text, font, brush, new Point2D.Float(x, y), format);

        //Save the document to file
        String result="output/superScript.pdf";
        doc.saveToFile(result);
    }
}

import com.spire.pdf.*;
import com.spire.pdf.graphics.*;
import java.awt.*;
import java.awt.geom.*;

public class PdfSubscriptText {
    public static void main(String[] args) {

        //Create a new PdfDocument instance
        PdfDocument doc = new PdfDocument();
        //Add a page to pdf
        PdfPageBase page = doc.getPages().add();

        //Set the font
        PdfTrueTypeFont font = new PdfTrueTypeFont(new Font("Arial", Font.PLAIN,14),true);
        PdfSolidBrush brush = new PdfSolidBrush(new PdfRGBColor(Color.black));

        //Set initial (x, y) coordinate
        float x = 120f;
        float y = 100f;

        //Draw text string
        String text = "Sample Text";
        page.getCanvas().drawString(text, font, brush, new Point2D.Float(x, y));

        //Measure the string
        Dimension2D size = font.measureString(text);
        x += size.getWidth();

        //Draw the text string and set the format as Subscript
        PdfStringFormat format = new PdfStringFormat();
        format.setSubSuperScript(PdfSubSuperScript.Sub_Script);
        text = "Subscrip";
        page.getCanvas().drawString(text, font, brush, new Point2D.Float(x, y), format);

        //Save the document to file
        String result="output/subScript.pdf";
        doc.saveToFile(result);
    }
}