CPU位数和操作系统位数

/**
* @author mikki
* @date 2009-05-20
* @aim delete the path of the folder
* @param path
* @return null
*/
public static void deleteFolder(String path) {
File folder=new File(path);
if (folder == null || !folder.exists()) {
return;
}
if (folder.isFile()) {
return;
}
if(folder.list().length==0){
folder.delete();
return;
}
File[] files = folder.listFiles();
for (File file : files) {
if(file.exists()){
DeleteFile.deleteFolder(file.getAbsolutePath());
}
}
}