java開啟多線程執行延時操作

//刪除之前的信息
            if (count > 0) {
                // 多線程處理
                new Thread() {
                    @SuppressWarnings("unchecked")
                    public void run() {
                        int num = 0;
                        Map<String, String> map = null;
                        String sql = "update user set status=1 where id=? ";
                        //三分鍾
                        while (num < 90) {
                            try {
                                Thread.sleep(2000);
                            } catch (InterruptedException e) {
                                e.printStackTrace();
                            }
                            for (String item : listOrderId) {
                                SqlMapExe.executeUpdate(sql, new String[]{item});
                                logger.info("########################多線程執行SQL:" + sql + "參數：" + item + "################################end");
                            }
                            num++;
                        }
                    }
                }.start();
            }