列出目录下所有文件

public class FileUtil
{
    public static void listAllFile(List<String> list, File file)
    {
        if (file.isFile())
        {
            list.add(file.getAbsolutePath());
            return;
        }
        
        File[] listFiles = file.listFiles();
        
        for (File tempFile : listFiles)
        {
            listAllFile(list, tempFile);
        }
    }
    
    public static void main(String[] args)
    {
        List<String> list = new ArrayList<String>();
        listAllFile(list, new File("E:\\B044"));
        
        for(String fileName:list)
        {
            System.out.println(fileName);
        }
    }
}