Modify Hyperlinks in Word in Java

import com.spire.doc.*;
import com.spire.doc.documents.*;
import com.spire.doc.fields.Field;

import java.util.ArrayList;
import java.util.List;

public class ModifyHyperlink {
    public static void main(String[] args) {
        //Load Word document
        Document doc = new Document();
        doc.loadFromFile("Hyperlink.docx");

        List hyperlinks = new ArrayList();

        //Loop through the section in the document
        for (Section section : (Iterable<Section>) doc.getSections()
                ) {
            //Loop through the section in the document
            for (Paragraph para : (Iterable<Paragraph>) section.getParagraphs()
                    ) {
                for (DocumentObject obj:(Iterable<DocumentObject>) para.getChildObjects()
                     ) {
                    if (obj.getDocumentObjectType().equals(DocumentObjectType.Field)) {
                        Field field = (Field) obj;
                        if (field.getType().equals(FieldType.Field_Hyperlink)) {
                            hyperlinks.add(field);
                        }
                    }
                }
            }
        }

        hyperlinks.get(0).setCode("HYPERLINK \"http://www.google.com\"");
        hyperlinks.get(0).setFieldText("www.google.com");

        doc.saveToFile("EditHyperlink.docx", FileFormat.Docx_2013);
    }
}