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:
睡美人动漫版
一部黑人歌舞音乐片，关于大萧条时期南方一家非法经营的酒吧。
生於台北的Erika，原為家中長子，在東京工作期間開始跨出原生性別，釋放過去努力壓抑的女性認同。本片記錄Erika逐步打造理想身體，直至完成性別重置手術移居日本的生命旅程。藉由在日本與臺灣、男性與女性身分之間的流動與安頓，映照出跨性別在社會體制中游移碰撞的獨特軌跡，並透過其姊姊的視角呈現家人面對衝擊的心路歷程。
不可预测的未来，接二连三的谜团，以及仿佛永远无法到来的救援队，让幸存者们不知所措……
6 Visibility is less than 100m. When fog lights, dipped beam lights, position lights, front and rear position lights and hazard warning flash lights are turned on, the maximum speed is 40km and the distance from the front cars in the same lane is more than 50m.
Senior actor Cui Rihua voluntarily admitted to the media that he had committed many disorderly acts in the past, apologized to the victims, and resigned from the TV series he was playing and all his positions in the entertainment industry.
由《神的病历簿》的深川荣洋担任导演的这部作品，是以“与疾病共存”为主题的人性剧。主人公是在急救现场工作的医生·红野真空。在东京的一家大医院，真空怀抱着梦想和自豪感面对着工作，但某天却发现自己患有某种疾病。没有钱想继续工作的她，偶然知道了在深山里的小村庄的诊疗所，隐藏病工作。乘坐可疑的巴士，穿过森林，在好不容易到达的虹之村等待她的是同样从东京来的外科医生和护士的男人2人。和他们共同生活的真空，在虹之村诊疗所开始了新生活。
香荽却走到他面前，疑惑地说道：不对。
How is IoC implemented
/rdy (Ready)
汉军的威名和士气大涨，在关中一带和三秦王展开了激战。
Multiple Factory Method Patterns
郑氏听了蹙眉道：这么说，夫子是想把周姑娘许给王少爷了。
After years of baptism, the collection is still full of tender memories.
During the establishment of a tcp connection, If the server returns syn and ack messages, The client does not confirm it for some reason. This is because the server needs to retransmit the syn + ack message and wait for the client's confirmation message until the tcp connection timeout. This state of waiting for the client to confirm the connection is usually called a half-open connection. The half-open connection will be kept in the connection table of the server until the connection is disconnected.
The second type of attack faced by classifiers involves opponents who try to poison your data to make your system behave wrongly.
小鱼儿看着苏樱，哂笑道。
一帮牧童更是目瞪口呆，怎么也没想到，平时一起放牛的熊心竟是身份尊贵的太子。
