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:
如今日新月异的科技让人类看到惊人的奥秘，在神秘的蛇的国度里它们惊人能力，是在遗失的世界中急速形成而进化在人类群体中存在着。
《菜根谭》是元末明初道人洪应明收集编著的一部论述修养,人生,处世,出世的语录世集.儒家通俗读物具有儒道真理的结晶,和万古不易的教人传世之道,为旷古稀世的奇珍宝训.对于人的正心修身,养性育德,有不可思议的潜移默化的力量.其文字简炼明隽,兼采雅俗.似语录,而有语录所没有的趣味;似随笔,而有随笔所不易及的整饬;似训诫,而有训诫所缺乏的亲切醒豁;且有雨余山色,夜静钟声,点染其间,其所言清霏有味,风月无边.本作用动画表现出来,使其更加简单易懂……
This.source = new Source ();
天就要下雪了，我们不方便在此逗留。
巩渭平只身“自首”试图换回为拯救25官兵的性命，然而却误中中统诡计。余雪瑶由于暗恋巩渭平而向其兄——身为中统副局长的余沁斋——求情释放巩渭平，余沁斋为收服巩渭平于是答应了其妹的请求，并设计了一系列圈套。
The system is not protected by SynAttackProtect when the SynAttackProtect value (unless otherwise noted, the registry key values mentioned in this article are all hexadecimal) is 0 or not set.
Before decorator!
也对，还有一个田荣，且随他去，莫要再失望就好。
鸫虽有一丝犹豫，但最终决定参与“鸱鸺”，展开对“稀有之物”的调查活动。
身后，山芋等人就见二姐姐如同离弦的箭一样射向远处，眨眼间就变成一颗小红点，接着消失在山坡下。
After the report was issued, it caused a shock in the securities industry and the securities and communication companies. Many people in the securities industry have given positive feedback such as truthfulness, objectivity and insight. It is understood that the management of the Securities and Communications Company also held an emergency meeting on the day the report was published, and contacted reporters through public relations companies to communicate and delete the manuscript, but did not raise any objection to the authenticity and accuracy of the manuscript report.
童谣本应该充满欢声笑语，但世界上偏偏有这么一些童谣，让人听了毛骨悚然。小镇拉文斯•法尔就流传着这样一个恐怖的童谣：小心来自玛丽•肖的凝视；她没有孩子，只有玩偶；如果你看到她，不要尖叫；否则她会扯开你的嘴巴撕掉你的舌头。这个小镇一直就在笼罩在这个童谣的诅咒之下，只要有玩偶出现的地方，就有人遇害，死状一样，都是舌头被割下。
Have team spirit, respect the speech of peers, and be good at cooperation.
一天，一个非常不起眼的小人物来到北市场，居然引起一阵轩然大波。
For example, the above Liezi, Xiao Ming and Xiao Hong do not need to visit Taobao every day to see if the shoes have arrived. At the right time, when the publisher (seller) arrives, they will notify the subscriber (Xiao Hong, Xiao Ming and others).
The lack of money by the poor seems to be due to insufficient resources. In fact, the most deadly thing is the mentality of the poor. In other words, the poorer you are, the more you care about money, the more you care about money, the more you affect your vision and pattern. Without understanding this, many things and plans are out of the question.
