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:
安全局侦察队队长刘志军在带队执行抓捕代号为“猎豹”的间谍行动中，意外发现对方要偷带出境的竟是“星讯六号”卫星的设计方案。保密局接到中央指示，会同安全局、公安局成立专案检查组，组长由保密局督查处处长武梅担任。检查组对卫星研发机构322所展开调查，但工作处处碰壁，收效甚微，而与此同时境外间谍组织也对322所的网络发起攻击，内外交困的检查组在沈伟国父子的帮助下，成功挖出潜藏在322所内部的间谍方瑶。武梅本想顺藤摸瓜查出间谍组织幕后指挥“银狐”，不料反而中了“银狐”圈套。方瑶被杀手“蝴蝶”杀害，线索突然中断。“蝴蝶”出逃滨阳，由长期潜伏在滨阳的间谍林孝廉接应。林孝廉的任务是对滨阳卫星测控实验基地727站下手，但追捕“蝴蝶”而来的检查组却打乱了他的部署。间谍刘鹏在被追捕过程中车祸身亡，情急之下，林孝廉把市委秘书长佟一凡拉下了水。在佟一凡的帮助下“蝴蝶”进入727站，却被滨阳安全局秦风发现，在一场生死较量中，秦风不幸牺牲，“蝴蝶”也被击毙。佟一凡无法承受良心谴责，主动认罪。即将离境的林孝廉被绳之以法
MDT team members should respect and trust each other.
GMMTV即将播出的电视剧《朋友圈2之危险地带》中字版预告发布！我觉得鸡妈可能真的不会让offgun另外有cp，leo是off在3台那部剧里的cp，鸡妈他俩合作的剧基本都是一对，青葱妈咪里还搞暧昧看第一部时，我就有种医生是两个人之间的炮灰的感觉，怎么看怎么觉得阿加的角色都很在乎狮子的角色。觉得阿加就像用行动在告诉狮子：你看，你离开我选择的人（医生），就是这么禁不起诱惑，只有我最在乎你。
该剧根据DC旗下Vertigo出的同名漫画改篇，13集的第二季讲述传教士Jesse Custer（Dominic Cooper饰）在知道上帝失踪了后，联同那神经病女友Tulip（Ruth Negga饰）及爱尔兰吸血鬼Cassidy（Joseph Gilgun）出发去找那家伙回来。不过主角们将不会一路顺风，因为从地狱而来的杀人犯将会追杀他们。
Generally speaking, Nagoya's subway route is developed and not particularly complicated. Although it is not very cheap, it is not expensive and has no edge. It is very convenient to go anywhere with more than one kilometer and one stop.
BaiDuInterview.prototype = new Interview ();
The half-time break in other basketball matches is ten minutes.
Molten is a Japanese brand, not a Chinese brand, but the ball is very good.
"Charming China City? City Alliance" Builds a Platform for City Sharing and Co-construction
该剧讲述了唐代仪凤4年。西域守备狄仁杰奉唐皇之命，带副将马仁义劝降西凉黑鹰大将军欧阳烈。临行前，唐皇密诏两封告知狄仁杰与马仁义；楚风烈若降便宣金诏，封他为西域长风大将军，并令其即刻带领十万降军赴阳关抵御来犯之敌。楚风烈若不降，便使用银诏：发动西域守备军二十万官兵将其灭之。
The death ratio of both sides is 1.54: 1
"Deliberate practice" also breaks the superstition of the "10,000-hour law". In fact, the "10,000-hour law" is not strictly rigorous, but it is very popular because of a quantitative number.
Also welcome everyone to discuss together. Starting tomorrow, if you want to see * * * * brothers, you may as well order a collection.
Move
本片讲述了聪明正直的男主角段知非阴差阳错进了保安公司，却因一腔正义而得罪了富二代。当失业失意的他成为一名私家侦探时，如鱼得水却又陷入另一个困境：捉奸、跟踪、偷拍，太多的谎言、背叛和伤害令他对感情产生了抵触。他不仅被卷入一个个委托人错综复杂的纷争之中，还陷入与侦探社助理妹妹与另一家侦探社的美女调查员的三角纠葛。侦探社犹如都市放大镜，令我...
Article 234 Whoever intentionally harms another person's body shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention or public surveillance.
Unicom
Is it the first SYN message? ->? Discarding and waiting for a period of time to try to accept the SYN retransmission message of the IP, and waiting overtime is determined as an attack message joining the blacklist.
一时饭毕，因周菡说要去医学院送信，郑青木便让黄豆送她去。
