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:
小葱要里里外外打点家务、照应祖父母、娘亲和二婶以及弟妹们，没一点空闲。
? The website is changing, the audience is changing, and the creators are also changing. Today's audience is not in the age when information was relatively isolated as we did at the beginning. They are in an information age. The relationship between people on the Internet is getting closer and closer. As a result, they are more and more eager to communicate with others, express themselves, desire others to identify with themselves, and people are less and less willing to be isolated. I can put forward a phenomenon that when a person plays with obstacles, the people around him are also willing to be a repeater, for fear that they will not be able to keep up with the topic and will be despised and isolated. On the barrage, we will find that there are really many repeater machines ~ ~ ha ha. And some of the barrages, to be honest, have already seen bad, but they are still happy to knock on the keyboard and press enter. Finally, I also began to click to close the barrages.
"Monster Hunter World" panel damage is often inconsistent with the final damage value, many players have doubts about this, so how to calculate the damage value? The following is an article on "Monster Hunter World" damage calculation method and bonus rate, hoping to help you.
709，是一个研究超自然现象的秘密机构，它的使命是研究科学不能解释的事件，查明这个世界的真相。新人特工金木水和拥有超能力的女特工董灵奉命调查1934年辽宁某地的坠龙事件，二人通过时空门回到1934年，欲解开历史上真实坠龙事件的背后真相，两人却发现自己陷入重重危机之中。
"When the two mountains were fighting, I have fought many battles, However, the most impressive one was the battle to defend position 149 during the July 12 War. I thought that the war was between people and people. I didn't expect to fight with animals here, not only animals, but also flying in the sky and drilling in the soil. If it weren't for the use of new shells to support us later, the position would have been lost. "
热闹的白天过去了，晚饭后，陈启一家几人，加上爱丽丝，一起走出家门。
李彬首度牵手辽宁卫视，主持一档全新综艺节目《让快乐飞》。近日，记者采访了李彬本人，他表示该节目是一档主打草根“玩”明星概念的表演型综艺节目，将会给观众带来新的惊喜。还推荐好友何炅、戴军当嘉宾，并分享与辽宁卫视和新搭档首度合作的花絮，称虽然有压力，但会督促自己做到最好。
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The most effective and comfortable way to run a business is to use fishing, just like when we first started chasing girls, would we chase several girls at the same time and then have a success in Bo? We will look at one and pursue her until we succeed. This is how I run my own business. I will choose one industry, for example, I want to be an earphone industry. I will choose about three of the industries to attack him seriously until I do it. The others will be very good in the future. In this way, when you account for 80% of the earphone industry, we will switch to other industries and copy it, just like fishing. It is very comfortable to catch large ones one by one.
《生活·帮》是湖北卫视2012改版全新打造的一档生活服务类综艺节目。节目根据时下话题，对广为流传的谣言进行实验，通过记者体验调查、实验室科学实验、主持人现场讲解和专家权威解答来还原真相。该节目融合试验、情感、资讯、等多种元素，不仅有主持人现场讲解，还有实验室科学实验和专家的权威解答。节目以轻松舒展的形式，为您解开生活中的谜团。
耿星光是村里的一个牛倌，是那种凡事喜欢一条道跑到黑的人。因为不满村长刘眼镜欺负自己的行为，萌生去大城市打工的念头。刚来到大城市四处碰壁，从建筑工地、饭店再到洗浴中心，干过许多不擅长的工作，出了不少笑话。但他善良、真诚、宽容，从不放弃努力，最终在洗浴中心找到了适合自己
《Comedy Big League》是韩国tvN电视台推出的一档大型喜剧真人秀综艺节目。
《东山学堂》是一部立足史实、关照现实的电视剧。在中国电视剧史上，是反映一代伟人毛泽东青少年时代成长历程的电视剧，肩负着里程碑式的探索意义和使命感。全剧通过描写毛泽东在东山学堂就学，结交新老师、新朋友，接受新式学堂教育，形成新的人生观和世界观，决心“以天下为己任”的过程，真实还原一代领袖如何由一个普通的农家孩子，成长成为一个胸怀大志、心忧天下的青年的过程，展现20世纪初期的时代风云，体现不同阶层的人群在历史洪流中的生命选择和生存状态。
布里奇特（黛安·基顿 Diane Keaton 饰）是一个普通的家庭主妇，居住在一间位于郊区的大房子里，丈夫那份薪水不菲的工作足以让她的生活衣食无忧。然而就在一瞬间，美好的生活化为了泡影，丈夫丢了工作，他们不仅即将失去舒适的住宅，布里奇特还不得不为了养家糊口而踏出家门寻找工作。来到人才市场，布里奇特才发现，在这个年头想要赚钱是这样的困难，在繁多的工作岗位之中，自己的古英语学位形同虚设。无奈之下，她成为了美国联邦储备银行的清洁工。
想当初熊心为楚怀王时，对尹旭也算是不错。
"As long as they are hit, they are basically shot one at a time. The lethality of steel balls is much smaller than that of bullets. A dozen or twenty bullets can also kill one. They are animals after all, and they are still afraid of bullets. However, the speed is fast and it is really difficult to deal with." Liu Guangyuan said.
春桃是一个美丽而善良的女子,在上世纪30年代那个战火纷飞的年代,她的命运跌宕起伏，经历了一段催人泪下的传奇故事。
