Xóa trang khỏi PDF qua Java SDK

    import java.io.File;
    import java.nio.file.Path;
    import java.nio.file.StandardCopyOption;

    import com.aspose.asposecloudpdf.model.AsposeResponse;

    public class PagesMove {
        public static void perform() {
            String REMOTE_FOLDER   = "Your_Temp_Pdf_Cloud";
	    String LOCAL_FOLDER    = "c:\\Samples";
	    String PDF_DOCUMENT    = "sample.pdf";
            String PDF_OUTPUT      = "pages_move_output.pdf";
	    Integer PAGE_NUMBER    = 1;
            Integer NEW_PAGE_NUMBER = 3;

            try {

                // upload local PDF file to remote storage
                File file = new File(Path.of(LOCAL_FOLDER, PDF_DOCUMENT).toString());
                PagesHelper.pdfApi().uploadFile(Path.of(REMOTE_FOLDER , PDF_DOCUMENT).toString(), file, null);
                System.out.println(String.format("File '%s' successfully uploaded!", Path.of(LOCAL_FOLDER, PDF_DOCUMENT).toString()));

                //perform action
                AsposeResponse response = PagesHelper.pdfApi().postMovePage(PDF_DOCUMENT, PAGE_NUMBER, NEW_PAGE_NUMBER, null, REMOTE_FOLDER);
                if (response.getCode() != 200)
                    System.err.println("Error: unexpected error when moving page! '" + response.getStatus() + "'");
                else{
                    // dowmload changed file from remote folder...
                    File f = PagesHelper.pdfApi().downloadFile(Path.of(REMOTE_FOLDER , PDF_DOCUMENT).toString(), null, null);
                    java.nio.file.Files.copy(Path.of(f.getPath()), Path.of(LOCAL_FOLDER, PDF_OUTPUT), StandardCopyOption.REPLACE_EXISTING);
                    System.out.println(String.format("File '%s' successfully dowloaded!", Path.of(LOCAL_FOLDER, PDF_OUTPUT).toString()));
                    System.out.println("Successfully moved page in document ! '" + PDF_OUTPUT + "'");
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        } 
    }