Add Borders to Some Text in Word in Java

import com.spire.doc.Document;
import com.spire.doc.FileFormat;
import com.spire.doc.Section;
import com.spire.doc.documents.BorderStyle;
import com.spire.doc.documents.BreakType;
import com.spire.doc.documents.Paragraph;
import com.spire.doc.fields.TextRange;

import java.awt.*;

public class AddBorders {

    public static void main(String[] args) {

        //Create a Document instance
        Document doc = new Document();

        //Add a section
        Section section = doc.addSection();

        //Add a border to a set of characters
        Paragraph para = section.addParagraph();
        TextRange tr = para.appendText("Spire.Doc for Java");
        tr.getCharacterFormat().getBorder().setBorderType(BorderStyle.Single);
        tr.getCharacterFormat().getBorder().setColor(Color.BLACK);
        String text = " is a professional Java library specifically designed for developers to create, read, " +
                "write, convert and print Word document files on Java platform.";
        para.appendText(text);
        para.appendBreak(BreakType.Line_Break);

        //Add a border to a paragraph
        para = section.addParagraph();
        String text2 = "A plenty of Word document processing tasks can be performed by Spire.Doc for Java, such as " +
                "creating, reading, editing, converting and printing Word documents." ;
        para.appendText(text2);
        para.getFormat().getBorders().setBorderType(BorderStyle.Single);
        para.getFormat().getBorders().setColor(Color.BLACK);

        //Save the document
        doc.saveToFile("AddBorder.docx", FileFormat.Docx_2013);
    }
}