import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import java.io.*;

public class Sample8_1{
  public static void main(String[] args){
    Workbook wb = new HSSFWorkbook();
    CreationHelper ch = wb.getCreationHelper();

    Hyperlink link1 = ch.createHyperlink(Hyperlink.LINK_URL);
    link1.setAddress("http://www.example.jp/");

    Hyperlink link2 = ch.createHyperlink(Hyperlink.LINK_DOCUMENT);
    link2.setAddress("Sheet0!A1");

    Sheet sheet = wb.createSheet();
    Row row = sheet.createRow(1);

    Cell cell1 = row.createCell(1);
    Cell cell2 = row.createCell(2);
    cell1.setCellValue("abc");
    cell2.setCellValue("def");

    cell1.setHyperlink(link1);
    cell2.setHyperlink(link2);

    CellStyle style = wb.createCellStyle();
    Font font = wb.createFont();
    font.setUnderline(Font.U_SINGLE);
    style.setFont(font);

    cell2.setCellStyle(style);

    FileOutputStream out = null;
    try{
      out = new FileOutputStream("sample8_1.xls");
      wb.write(out);
    }catch(IOException e){
      System.out.println(e.toString());
    }finally{
      try {
        out.close();
      }catch(IOException e){
        System.out.println(e.toString());
      }
    }
  }
}