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:
“板凳”是上海滩一个杂耍班小人物的名字。板凳这个人只求太太平平地生活，甚至浑浑噩噩地混日子。他原本心无信仰，胸无热血，与政治和革命更是从无瓜葛，毫不相干。他活着仅仅为了活着，哪怕苟且偷生，不惜蒙羞含耻。
一个从小被誉为商界魔童，酷炫吊炸天的80后霸总VS一个浑身是戏的00后鬼马女孩。差异巨大的二人，却因为一场誓星的来临，而改变了人生轨迹，爱上了彼此，在变幻的时空中，领悟爱之天意。
Lins Concubine 04
张家指称是胡家杀人灭口。
板栗冷笑道：喷你？转过身，朝着大殿下方，张开双臂昂然道：在我张家为国尽力——杀敌的杀敌，开荒的开荒的时候，胡家在干什么？他们在忙着落井下石，对张家赶尽杀绝，甚至置国家安危于不顾，背后下黑手，残害边关将士。
小爷要去会会那个玉米，瞧他是不是长了三头六臂。
网络小说家夏悠悠穿越到了自己的新书《林府风云》中，而且她还成为了书中的恶毒女配，司徒茶茶。此时的司徒茶茶刚刚嫁入林府，成为林知羽的正牌老婆，但深知情节发展的夏悠悠很清楚，司徒茶茶的目的是要听从叶眠的命令，取得林家的帐房钥匙。而林知羽因为得不到心爱之人文若心，只能听从林夫人的安排，娶了司徒茶茶。两个没有爱情的人必须不但要佯装恩爱，在同一屋檐下，司徒茶茶还得抽时间跟府外的叶眠偷偷碰面，传递府内情报。夏悠悠欲哭无泪，却又不愿让司徒茶茶走上最后的不归路，于是决定洗白恶毒女配。为了洗白自己，夏悠悠不但要保护女主不被一次次陷害，更是绞尽脑汁撮合男女主角。可令夏悠悠没想到是，林知羽居然开始不爱女主，爱女配，小说情节也在司徒茶茶被洗白后，彻底失控了……
辛亥革命胜利之后的民国初年，江南才女沈碧云为了实现进入中国最大的私人藏书楼博览群书、为所有学子争取读书的权利的理想，也为了探查杀父仇人，不惜以终生幸福为赌注，嫁入藏书楼之主的宣家，却由此陷入宣家内部的勾心斗角、争权夺利漩涡，遭遇重重危机，尝尽人情冷暖，几度出生入死，宣家也经历了一次次浩劫，直至家破人亡，碧云仍然矢志不渝，在宣家四少爷宣孝季和进步青年吴时的帮助下，凭着坚强的信念和过人的智慧拯救了宣家，成为宣家新当家人，并查清真凶，报得父仇。最终，沈碧云冲破封建祖制开放书楼，包括碧云在内的莘莘学子得以登楼读书。
传闻上古奇书《异物志》的记载中有一百年巨蟒名唤山神，头顶长有七星璀璨珠，食之可生根。消息传到当朝宦官刘靖耳中，为弥补自身的残缺私欲，刘靖命其义子前去寻觅此物，一场血雨腥风的人蛇大战就此拉开序幕。
Listening to the elderly, Ms. Ping learned that the use of herbal medicine as a dyeing agent dates back to when people first accurately discovered that boiled plants would paint cotton or stain yarn; Realizing this, they begin using these solutions to alter the aspect of their closures, and they experienced this with variable plants, flowers, and roots.
National key cultural relics protection units, the first batch of 4A tourist attractions in the country. Located in the west street of the city, it was built in 686, the second year of Tang Wu Zetian's vertical arch, formerly known as "Lotus Temple". In 738 A.D., Tang Xuanzong ordered all states in the country to build a Kaiyuan Temple, which was changed to its current name. The whole temple covers an area of 78,000 square meters. It is large in scale, spectacular in construction and beautiful in scenery. It was once as famous as Baima Temple in Luoyang, Lingyin Temple in Hangzhou and Guangji Temple in Beijing. There are mainly buildings such as the Main Hall of the Great Hero, the Ganlu Ring Altar, and the East and West Pagodas.
There are two ways to configure Path variables, but Method 1 does not apply to WIN10 systems:
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.
另外一边则是一男一女，男的三旬上下，沉着稳重，但是现在不断bō动的神情显示出他很不淡定。
此人以拳法闻名江湖，一拳可以打死一头牯牛。
Marco Pennette负责剧本﹑Chuck Lorre开发的多镜头喜剧《移植正能量 B Positive》讲述新近离婚﹑等候肾脏移植的Drew（Thomas Middleditch饰演）几乎要走到尽头了，但此时他过去认识﹑缺点满满的女子Gina（Annaleigh Ashford饰演）自愿成为捐赠人，而这次交集将改变他们的命运。
H2deal!
在大洋深处的南礁，以大白鲨里诺（罗伯特德尼罗 Robert De Niro 饰）为首的鲨鱼黑帮横行霸道，不可一世，其他鱼类对他们又恨又怕，时刻希望有人（鱼？）出来主持公道，消灭这群恶棍。里诺虽然邪恶，不过却各外疼爱他的儿子弗兰奇（Michael Imperioli 配音）和兰尼（杰克布莱克 Jack Black 配音）。与凶暴的父亲和哥哥不同，兰尼心地善良，平易近鱼，甚至还是个素食主义者。吊儿郎当的清洗店小职员奥斯卡（威尔史密斯 Will Smith 饰）欠下老板钱财，债台高筑。被五花大绑的他遭到弗兰奇的追杀，而弗兰奇却被突然出现的铁锚砸死。喜好吹牛的奥斯卡因此宣称弗兰奇死于他之手，他还间接和兰尼成为朋友。然而，这却引起鲨鱼黑帮的愤怒……
A few years later, the traffic era began. Station B has also started to implement the big member system. Well, how do you say it? It is only natural to support the original version. However, some plots or pictures of some cartoons are harmonious, and there are actually no very special pictures. Sometimes it is very serious viewing experience. As Bai Piao Wang, I naturally can't stand it. Because there are many things to operate on the PC side, there is not much feeling. Mobile terminals such as phablet feel particularly deep. One is advertisement. I can say a few words with my eyes closed. Is the holiday boring? Why don't you learn PS? , test whether you can become an excellent original painter! After all, websites do not use love to generate electricity, and there is nothing wrong with planting advertisements. However, in the era of big data, there are always some annoying things. For example, I accidentally opened a video with vulgar content, and then all kinds of similar videos were recommended crazily. I turned over several pages of this kind of video, which is really disgusting ~
