併發容器基礎
ConcurrentHashMap
https://www.pdai.tech/md/java/thread/java-thread-x-juc-collection-ConcurrentHashMap.html
併發容器基礎
ConcurrentHashMap
https://www.pdai.tech/md/java/thread/java-thread-x-juc-collection-ConcurrentHashMap.html
去megaton裏面的屍鬼.那裏買藥, 把破爛賣給他. 然後傳送到其他地圖, 再傳送回來, 他就又有錢和新藥了.繼續賣破爛, 買藥.刷幾次就夠了.