How to set page setup options and page breaks in Java

package testexceljava;

import java.awt.Color;
import EasyXLS.*;
import EasyXLS.Constants.*;

/* --------------------------------------------------------------------------
 | Tutorial 09
 | 
 | This tutorial shows how to create an Excel file in Java 
 | having multiple sheets. The first sheet is filled with data
 | and the cells are formatted and locked.
 | The column header has comments.
 | The first worksheet has header & footer.
 | The first worksheet has print area, rows to repeat at top, center on page,
 | page orientation, page order, paper size, comments print location,
 | print gridlines option and page breaks.
 * ----------------------------------------------------------------------- */

public class Tutorial09 {

   public static void main(String[] args) {
      try {
          System.out.println("Tutorial 09");
          System.out.println("----------");

          // Create an instance of the class that exports Excel files, having two sheets
          ExcelDocument workbook = new ExcelDocument(2);

          // Set the sheet names
          workbook.easy_getSheetAt(0).setSheetName("First tab");
          workbook.easy_getSheetAt(1).setSheetName("Second tab");

          // Protect first sheet
          workbook.easy_getSheetAt(0).setSheetProtected(true);

          // Get the table of data for the first worksheet
          ExcelTable xlsFirstTable =  ((ExcelWorksheet)workbook.easy_getSheetAt(0)).easy_getExcelTable();

          // Create the formatting style for the header
          ExcelStyle xlsStyleHeader = new ExcelStyle("Verdana", 8, true, true, Color.YELLOW);
          xlsStyleHeader.setBackground(Color.BLACK);
          xlsStyleHeader.setBorderColors(Color.GRAY, Color.GRAY, Color.GRAY, Color.GRAY);
          xlsStyleHeader.setBorderStyles(Border.BORDER_MEDIUM, Border.BORDER_MEDIUM, 
                                              Border.BORDER_MEDIUM, Border.BORDER_MEDIUM);
          xlsStyleHeader.setHorizontalAlignment(Alignment.ALIGNMENT_CENTER);
          xlsStyleHeader.setVerticalAlignment(Alignment.ALIGNMENT_BOTTOM);
          xlsStyleHeader.setWrap(true);
          xlsStyleHeader.setDataType(DataType.STRING);

          // Add data in cells for report header
          for (int column=0; column<5; column++)
          {
              xlsFirstTable.easy_getCell(0, column).setValue("Column " + (column + 1));
              xlsFirstTable.easy_getCell(0, column).setStyle(xlsStyleHeader);

              // Add comment for report header cells
              xlsFirstTable.easy_getCell(0, column).setComment("This is column no " + (column + 1));
          }
          xlsFirstTable.easy_getRowAt(0).setHeight(30);

          // Add data in cells for report values
          for (int row=0; row<100; row++)
          {
              for (int column=0; column<5; column++)
              {
                  xlsFirstTable.easy_getCell(row+1, column).setValue("Data " + (row + 1) + ", " + (column + 1));
              }
          }

          // Create a formatting style for cells
          ExcelStyle xlsStyleData = new ExcelStyle();
          xlsStyleData.setHorizontalAlignment(Alignment.ALIGNMENT_LEFT);
          xlsStyleData.setForeground(Color.LIGHT_GRAY);
          xlsStyleData.setWrap(false);
          xlsStyleData.setDataType(DataType.STRING);
          // Protect cells
          xlsStyleData.setLocked(true);
          xlsFirstTable.easy_setRangeStyle("A2:E101", xlsStyleData);

          // Set column widths
          xlsFirstTable.setColumnWidth(0, 70);
          xlsFirstTable.setColumnWidth(1, 100);
          xlsFirstTable.setColumnWidth(2, 70);
          xlsFirstTable.setColumnWidth(3, 100);
          xlsFirstTable.setColumnWidth(4, 70);

          // Add header on center section
          ExcelWorksheet xlsFirstTab = (ExcelWorksheet)workbook.easy_getSheetAt(0);
          xlsFirstTab.easy_getHeaderAt(Header.POSITION_CENTER).InsertSingleUnderline();
          xlsFirstTab.easy_getHeaderAt(Header.POSITION_CENTER).InsertFile();
          xlsFirstTab.easy_getHeaderAt(Header.POSITION_CENTER).InsertValue(" - How to create header and footer");

          // Add header on right section
          xlsFirstTab.easy_getHeaderAt(Header.POSITION_RIGHT).InsertDate();
          xlsFirstTab.easy_getHeaderAt(Header.POSITION_RIGHT).InsertValue(" ");
          xlsFirstTab.easy_getHeaderAt(Header.POSITION_RIGHT).InsertTime();

          // Add footer on center section
          xlsFirstTab.easy_getFooterAt(Footer.POSITION_CENTER).InsertPage();
          xlsFirstTab.easy_getFooterAt(Footer.POSITION_CENTER).InsertValue(" of ");
          xlsFirstTab.easy_getFooterAt(Footer.POSITION_CENTER).InsertPages();

          // Get the object that stores the page setup options for the first sheet
          ExcelPageSetup xlsPageSetup = xlsFirstTab.easy_getPageSetup();
          // Set print area
          xlsPageSetup.easy_setPrintArea("A1:E101");
          // Set the rows to repeat at top
          xlsPageSetup.easy_setRowsToRepeatAtTop("$1:$1");
          // Set center on page option
          xlsPageSetup.setCenterHorizontally(true);
          // Set page orientation
          xlsPageSetup.setOrientation(PageSetup.ORIENTATION_PORTRAIT);
          // Set page order
          xlsPageSetup.setPageOrder(PageSetup.PAGE_ORDER_DOWN_THEN_OVER);
          // Set paper size
          xlsPageSetup.setPaperSize(PageSetup.PAPER_SIZE_A4);
          // Set where the comments to be printed
          xlsPageSetup.setPrintComments(PageSetup.COMMENTS_AT_END_OF_SHEET);
          // Set the gridlines to be printed
          xlsPageSetup.setPrintGridlines(true);
            
          // Insert page breaks on rows
          xlsFirstTable.easy_insertPageBreakAtRow(21);
          xlsFirstTable.easy_insertPageBreakAtRow(41);
          xlsFirstTable.easy_insertPageBreakAtRow(61);
          xlsFirstTable.easy_insertPageBreakAtRow(81);
            
          // Set page break preview for the sheet
          xlsFirstTab.setPageBreakPreview(true);

          // Export Excel file
          System.out.println("Writing file: C:\\Samples\\Tutorial09 - Excel page setup.xlsx");
          workbook.easy_WriteXLSXFile("C:\\Samples\\Tutorial09 - Excel page setup.xlsx");

          // Confirm export of Excel file
          if (workbook.easy_getError().equals(""))
              System.out.println("File successfully created.");
          else
              System.out.println("Error encountered: " + workbook.easy_getError());

          // Dispose memory
          workbook.Dispose();
      }
      catch (Exception ex) {
          ex.printStackTrace();
      }
   }
}