ApacheCopySheet.java

package com.aspose.cells.examples.featurescomparison.worksheets.copysheetwithinworkbook;

import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;

public class ApacheCopySheet
{
    public static void main(String[] args) throws Exception
    {
        Workbook wb = new HSSFWorkbook();
        wb.createSheet("new sheet");
        wb.createSheet("second sheet");
        Sheet cloneSheet = wb.cloneSheet(0);

        // now you have to manually copy all the data into new sheet from the cloneSheet

        //Print Message
        System.out.println("Cloned successfull.");
    }
}