Rename Form Fields

Use FormExamples.renameFormFields(...) to rename fields in an interactive PDF form.

public static void renameFormFields(Path inputFile, Path outputFile) {
    Form form = new Form();
    try {
        form.bindPdf(inputFile.toString());
        form.renameField("First Name", "NewFirstName");
        form.renameField("Last Name", "NewLastName");
        form.save(outputFile.toString());
    } finally {
        form.close();
    }
}