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:
Add ONBUILD directive:
The fighting situation at position 149 to be talked about next is many different from that at positions 169 and 142 mentioned earlier, because for the first time there is a "flying unit" among the "living biological weapons" appearing at position 149.
1. Regular maintenance
It is divided into two groups AB. Group A has three signatures A1, A2 and A3. If A3 is drawn, it will be empty and will advance directly to the next match. If A1A2 is drawn for the match, the winner will compete with A3 for a total of 2 matches, and the first and second place in Group A will be obtained.
李枖原饰演韩允书，无论是人际关系还是社会生活上她都讨厌越线行为。她是彻底调查并只想弄清事实的人物，维持着冷静且中立的调查方式和态度，因此被误会“缺乏同情心”，即便如此她还是维持着自己的原则。
CBS一口气宣布续订6部正剧，包括《#反恐特警组# S.W.A.T.》第3季。
老人默默打开，熟练地撇开八股套话，直望笔墨最重要的两处。
The other conditions are subsidiary conditions, so it is said separately.
面对这样善良的女子
此剧讲述一对夫妻在面临死亡危机时，回顾过往的时光、领悟对彼此的爱和家人珍贵的故事。
Izumi Sena was born to one of the most well known ...
In addition, you need to place a plug-in object on the page for uploading:
(four) the validity period of the qualification certificate has not been renewed;
我有一种感觉，下一期的剧情势必是‘文不惊人死不休的超神转折。
公元前52年，罗马共和国正值鼎盛时期，执政官庞贝（里克•沃登 Rick Warden 饰）坐守都城，盟友凯撒（塞伦•希德 Ciarán Hinds 饰）征战高卢。期间，第13军团屡立战功，主将乌里纳斯（凯文•马克德 Kevin McKidd 饰）有勇有谋，手下波罗（雷•史蒂文森 Ray Stevenson 饰）虽嗜酒如命，却忠肝义胆。适逢凯撒得胜，屋大维遵母命赴前线慰问，不想途中遭劫，被经过的乌里纳斯和波罗救下。13军团凯旋，乌里纳斯与阔别8年的妻子相见，却各怀心事。波罗偶然间发现了乌里纳斯妻子红杏出墙的事实，为了保护长官的名誉，波罗在屋大维的帮助下，逼出了真相。凯撒准备独揽大权，一直等待时机。庞贝看出了他的野心，与元老院众人商议，其中以西塞罗为首的贵族势力，坚持认为凯撒为共和国叛徒，应诛杀之。而此时，凯撒的大将安东尼（杰姆斯•鲍弗 James Purefoy 饰）接任了护民官，与庞贝一伙展开周旋……
Operating system: Windows 10
唯独有个例外，那便是魏王豹，见到尹旭的时候，一脸的阴沉，嘴角还带着几分冷冷的不屑。
