Duplicate Worksheets within a Workbook in Java

import com.spire.xls.Workbook;
import com.spire.xls.Worksheet;

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

        //Create a Workbook object
        Workbook workbook = new Workbook();

        //Load the sample Excel file
        workbook.loadFromFile("C:\\Users\\Administrator\\Desktop\\sample.xlsx");

        //Get the first worksheet
        Worksheet originalSheet = workbook.getWorksheets().get(0);

        //Add a new worksheet
        Worksheet newSheet = workbook.getWorksheets().add(originalSheet.getName()+" - Copy");

        //Copy the worksheet to new sheet
        newSheet.copyFrom(originalSheet);

        //Save to file
        workbook.saveToFile("DuplicateSheet.xlsx");
    }
}