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:
On 18 January, French media revealed that Carrefour China was seeking to sell, Interface reporters followed up quickly, Quickly completed interviews with former Carrefour executives and several industry insiders, Spend one night writing and making the industry's first in-depth report on Carrefour's sale. The high-precision restoration of Carrefour's development in China, the transformation of China's retail industry and the difficulties Carrefour encountered in China can be called the highest-quality report on Carrefour's sale in the industry, reflecting the profound accumulation and solid reporting skills of journalists.
故事中的世界是以中世纪欧洲为基本架构，除了人类以外还有龙、精灵以及哥布林的存在，是典型的托尔金系统中的奇幻世界。神与魔不断地纷争，神为了保卫世界而战；魔为了争取长杖毁灭世界而战。赤眼魔王和赤龙神为了各自的目的而战。赤龙神将赤眼魔王击败，并将它分为七部份。为了防范魔族的行动，他化为四个分身固守着四方。
一个毫无机心的傻笨青年本是中俄边境开拓铁路的苦力，但屡遭奇遇的他却在乱世之中成为称霸一方的大军阀，他的一生是不平凡、传奇性和戏剧性的，他的遭遇见证了这个火熊年代的动荡和不安。本剧以嘻笑怒骂、辛辣嘲讽的风格细说乱世的荒谬、政治者的胡涂，个中意味深远。
中村光「聖☆おにいさん」の実写ドラマ化が決定した。これは本日11月22日発売のモーニング・ツー2017年1号（講談社）にて発表されたもの。続報は連載100話目を迎える次号にて明かされる。「聖☆おにいさん」は、東京・立川でアパートをシェアし、下界でバカンスを過ごすブッダとイエスのコンビを描いたコメディ。モーニング・ツーにて2007年より連載中で、2013年にはアニメ映画化を果たした。
(2) More people will help you maintain your code in the future.
2019年，想成为电竞选手的少年路小北在游戏中所向披靡，却因为一场意外失去了进入职业队的资格。
韩大使驻派美国之前主持破获了中涛犯罪集团的走私活动。在美国，中涛指示手下绑架了韩大使的女儿素洋。FBI闻讯展开全面调查，韩大使执意要求调派香港的老搭档李督察前来协助。FBI派出洛杉矶警察局状况不断的问题警探卡特作为李的搭档。卡特作风张扬高调，李则身手不凡、低调谨慎，这对临时组合的东西搭档闹出不少误会和笑话。但随着一次次危机发生，两人渐渐培养出默契。他们的营救行动最终能否成功
只看了几张纸，我就头皮发麻，不过我还是忍着反胃和恶心，把全文看完了。
This article will try to describe the relevant concepts of iptables in an easy-to-understand way. Please read it patiently.
Manaca, to put it bluntly, is a subway card. By charging money into the card, you only need to swipe your card when entering or leaving the subway, and you don't need to buy a ticket. In addition, the vending machine in the subway can also use Manaca credit card to pay, which is very convenient.
吴美丽向来心无大志，嬉戏人间。因一次仗义出头被大耳窿追债而结识常温，二人惺惺相惜，温提议丽到他家里暂避风头，岂料途中又倒霉遇上车祸。丽侥幸无恙，温却重伤昏迷。 凤斗智随之而起。
《开国前夜》的故事素材来源于国家安全局尘封60年的绝密档案，与其说它是小说，还不如说它只是用小说的形式还原了当代历史的真相——根据故事改编的同名电视剧已由上海文广集团投资千万拍摄完成，国庆期间将在东方卫视与大家首次见面，101家广播电台也在紧张地录播之中。
If you are doing the task of dead horse riding, you only need to walk to the north of the map, which is the map of Tyre's hand, and then see the words "Death Rift" jumping out on the screen, then you can directly click the icon of the vehicle action bar to pay dead horse riding and complete the task.
刀客眼中几乎迸出杀气。
该片将以汽车场地越野赛为背景，记录一群越野赛车人对赛车运动的初心与热爱，不畏艰难，无惧挑战，坚定地在赛车路上追逐自己的梦想，最终超越自我完美诠释赛车运动的激情与魅力。
