https://www.techiedelight.com/introduction-priority-queues-using-binary-heaps/
https://www.techiedelight.com/min-heap-max-heap-implementation-in-java/
https://www.techiedelight.com/introduction-priority-queues-using-binary-heaps/
https://www.techiedelight.com/min-heap-max-heap-implementation-in-java/
ThreadLocal的使用,,,實際上相當於維護了一個Map,其中以鍵值對的形式,存儲了某一個數據被多個線程訪問所對應的值。當然這個數據只能有
JSONArray序列化日期最初用到, 這個是全局設置,會有風險。 String[] dateFormats = new String[] {"yyyyMMdd"}; JSONUtils.getM