急!!!帮帮我吧!

import jxl.*;
import jxl.write.*;
import java.io.*;
import java.io.File.*;
import java.util.*;public class excel2
{
public static void main(String[] args) 
{String targetfile = "c:/out2.xls";//输出的excel文件名
String worksheet = "List";//输出的excel文件工作表名
WritableWorkbook workbook;
try
{
//创建可写入的Excel工作薄,运行生成的文件在tomcat/bin下
//workbook = Workbook.createWorkbook(new File("output2.xls")); 
System.out.println("begin");OutputStream os=new FileOutputStream(targetfile); 
workbook=Workbook.createWorkbook(os); WritableSheet sheet = workbook.createSheet(worksheet, 0); //添加第一个工作表
//设置边框
jxl.write.Label labelCFC;
jxl.write.WritableCellFormat wcsB = new jxl.write.WritableCellFormat(); 
wcsB.setBorder(jxl.format.Border.ALL,jxl.format.BorderLineStyle.THICK);
labelCFC = new jxl.write.Label(0,6,"边框设置",wcsB); 
sheet.addCell(labelCFC); 
workbook.write(); 
workbook.close();
}catch(Exception e) 
{ 
e.printStackTrace(); 
} 
System.out.println("end");
Runtime r=Runtime.getRuntime(); 
Process p=null; 
//String cmd[]={"notepad","exec.java"}; 
String cmd[]={"D:\\soft\\office_2000_japan\\Office\\EXCEL.EXE","out2.xls"}; 
try{ 
p=r.exec(cmd); 
} 
catch(Exception e){ 
System.out.println("error executing: "+cmd[0]); 
}
}
}