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:
影片改编自经典童话故事。很久很久以前，在遥远的地方有一个神秘的国度，叫深蓝王国，国王与王后有一个可爱的小公主艾薇拉，国王去世后小公主艾薇拉不幸被盗，邪恶的康斯坦斯公爵控制了整个王国。小公主艾薇拉为了夺回王国、继承王位，与善良勇敢的小伙伴克雷一起，在布兰奇公爵的帮助下踏上了冒险的旅途。
只要启明一直是世界上最大最好的小说平台，那么作者自然会源源不绝。
秦楚两军都惊疑不定，只因为一支足矣改变战斗形势的力量逐渐逼近…… show_style();。
即便出征前都做到了最大化的弹药补给量，但谁也没想到这场战斗会持续这么久，长达半天不停歇的炮轰甚至造成了几十门火炮的炸膛。
韩信的锐气已经消散的差不多了，因此尹旭言语中稍许的孤高不仅没有刺激他，还让他的心情更加低落。
Finn Wolfhard饰演Mike，一个备受欺凌的12岁男孩，为了拯救他最好的朋友，他成为了一个让人最意想不到的英雄。他之前参演过《地球百子 The 100》、《Aftermath》、《The Resurrection》。
原来千般理由都是假的，陆炳病了才是真的。
西海岸大学的两个热血青年Arian（德里克·卢克 Derek Luke 饰）和Ernest（迈克尔·佩纳 Michael Peña 饰），受他们理想主义导师Dr. Stephen Malley（罗伯特·雷德福 Robert Redford 饰）的精神鼓舞，决定去做一些积极追求生活理想的事情，奔赴阿富汗参加了反恐战争，但这两位青年绝对没有想到，所谓的战争，无关人类和平、国家大义，只是让自己在战场上活下去而已。
A long, a short, a long, a short sound.
1. China Civil Aviation Aircrew Boarding Pass
由香港导演钟少雄与北京东王文化合作拍摄的第二部作品《代号：蓝色行动》讲述了国际刑警卓雅(王蔚饰)接到任务潜伏回国调查美国时期的好友韩丹红(丁莉饰)，在这期间韩丹红(丁莉饰)渐渐的爱上了卓雅的丈夫肖克凡(王亚楠饰)，由此一来肖克凡、卓雅夫妻二人的感情也因为各自的工作原因备受着考验……
厅会议室，厅领导郝鸿烈和专案组的民警听取禁毒局处长杜丽介绍案情、布置任务。嫌疑人“唐显龙”他第一次试探性接头已经失败，对方没有按时出现。今天，他将与对方再次接头。时间、接头地点还不明确。因此，省厅监视组和行动组只能在运动中，寻找抓捕时机。
天生“六识”残缺的少女褚璇玑和离泽宫弟子禹司凤等一众江湖热血少年们在面临爱情与前世阴谋的双重压力下，经历磨难，饱尝悲欢离合，一路成长与收获，携手共对百般腥风血雨，缔造了一段极具色彩的仙侠传奇。
即将于10/1与大家见面的剧集《白种元的醉话人生》将于Netflix公开，知名主厨白种元在这部剧集将与各行各业的代表见面，与他们藉著酒香满溢的料理畅谈人生。至今公开的嘉宾第一、二集分别为歌手朴载范、Loco，与演员韩志旼。近日更抢先公开第三四集的嘉宾：有演员李准基和罗锡PD，这些公开的豪华阵容更让观众期待后面几集莅临节目的嘉宾。
张槐和郑氏商议了一会。
Video Introduction: The main content of this program: 30-year-old Huang Yingying is a typical working woman. Up to now, her struggle has been stable in her work and her life is in good order. However, there is a pity that her personal problems have not been solved and she is still a single girl. For this reason, Huang Yingying's parents were very anxious, especially her mother, who arranged all kinds of blind dates for her all day long. Even so, she still felt that her life would be wonderful. She wanted to make a down payment to buy a house, but she did not expect that a man would break into her peaceful life because of this purchase. ("Popularization of Law Column Drama" 20190318 Full House of Love (Episode I))
热血宣言：控诉世间的不公不义...等等！
