问使用java删除文本文件中的一行

EN

    try //vacation leave/
{
    File inputFile = new File("Adlawan" + code1);
    File tempFile = new File("AdalwanTempFile");

    BufferedReader reader = new BufferedReader(new FileReader(inputFile));
    BufferedWriter writer = new BufferedWriter(new FileWriter(tempFile));

    String lineToRemove = "AdlawanJan2012";
    String currentLine;

    while((currentLine = reader.readLine()) != null)
    {
        //trim newline when comparing with lineToRemove
        String trimmedLine = currentLine.trim();
        if(trimmedLine.equals(lineToRemove)) 
        {
         writer.write(currentLine); 
        }
    }   
    writer.close();
    reader.close();

    if(!inputFile.delete())
    {
        JOptionPane.showMessageDialog(null, "Could not rename file");
        return;
    }
    if(!tempFile.renameTo(inputFile))
        JOptionPane.showMessageDialog(null, "Could not rename file");


}
catch(Exception e)
{
    JOptionPane.showMessageDialog(null, " ");
}