试看120秒小视频动态图

在《梦宅》这部影片中，丹尼尔·克雷格扮演的主人公带着全家搬进了一个理想中的小镇，住进了一幢完美的房子，然而很快他就发现这幢房子的前任主人被人谋杀死在这里并且阴魂不散。自他弃文投军以来，看的最多的书是除了兵法类的。赵天豪（狄龙 饰）是中原镖局的总镖头，雷大刚（汪强 饰）和杨云翼（龙隆 饰）是他的结拜兄弟，左膀右臂。赵天豪有三个女儿，赵琪瑛（应晓薇 饰）、赵梦娇（林秀玲 饰）赵燕翎（杨丽菁 饰），赵梦娇喜欢着雷大刚的义子郑青山，可是郑青山却钟情于知书达理的赵琪瑛，无奈赵琪瑛早已经有婚约在身。Scrooge已故的前商业伙伴Jacob Marley（Stephen Graham）为其棺材乞求和平。 himself悔后，精神为他带来了消息。 他将在炼狱中徘徊，直到Scrooge悔改为止，这是Marley知道他永远不会做的事情。D > B enters the synchronized block, and since instance is not null at this time, it immediately leaves the synchronized block and returns the result to the program calling the method. E > At this point, thread B intends to use the Singleton instance, only to find that it has not been initialized, so an error occurs. Therefore, there is still the possibility of errors in the program. In fact, the running process of the program is very complicated. From this, we can see that it is more difficult and challenging to write programs especially in multi-threaded environment. We further optimized the program: