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:
这次不可能了，后面还有机会。
荥阳陷落了，已经掌控在汉国手中。
救人救到底，好歹去瞧瞧小白脸死了没有，也算尽一份袍泽之谊嘛。
明熹宗朱由校本是懵懂少年，不知民间疾苦家国大任，只一心沉醉他拿手的木工活。后来，在深明大义的皇后张嫣和来自民间的妃子张宝珠的影响下，他渐渐成长起来，决心发愤图强，挽救破落的大明。朱由校的觉醒让把持朝政的客氏和魏忠贤感到恐惧，他们只想要一个傀儡，不想要一个明君。不再天真的朱由校看到的是一个疮痍满目的王朝，他决定支持东林党放手一搏，但是由于提前走漏了风声，招致客魏的反扑。在国家紧要关头，朱由校做出最正确的选择，将英明果决的弟弟朱由检推上了皇位，而自己却带着淡淡的遗憾为自己一生的爱恨情仇画上了句号……
陈真带着他的妹妹小燕来到日本占领的上海，他干过很多份工作，同时也和当地最大黑帮青帮老大蔡六金的儿子蔡学富不断发生冲突，从而结下不解之怨。在上海，陈真注意到当地的武术界四分五裂，各立门派，就好象一盘散沙。与此同时，他的妹妹跟一位日本护士交上了朋友，这位日本护士名叫武田由美，是日本租界首脑武田幸雄的独生女儿。陈真一直在拉黄包车，同时也从一些书籍上继续学习武术。一次，他碰巧救了蔡六金的红颜知己，上海的红歌女绮翘。从而加入青帮，随后因出众的身手被蔡六金所赏识，成为青帮的头号打手。小燕一直很不喜欢她哥哥涉足黑道。而一系列激烈的冲突随即发生，小燕惨遭马贼的杀害，而陈真在极度的悲愤中幡然醒悟，在传奇的精武门创始人霍元甲师父的指点帮助下，陈真手刃马贼，为全家报仇之后，毅然退出青帮，加入了霍元甲的精武门。
《亚洲天团争霸战》是台湾一档综艺节目。以选拔少女团体为主，节目每一集会有5组选手参赛，淘汰2组，节目将进行2季后选出4组冠军，以单曲和演唱会PK人气，最后选出9位选手，打造新一代少女天团。
The soldier first twitched after being stung, Then the gun fell out of his hand, and at last the whole population foamed at the white eyes of both eyes turned out. He lay on the ground and shivered twice before moving completely. Later, when examining the body, he found that his pupils had completely dispersed and his face had turned gray and black. At first glance, he died of acute poison. " Zhang Xiaobo said, through this narration, I can see that he is obviously a person with strong expression ability. He not only speaks vividly, but also has rich body language. Gestures and gestures are basically just right to match the language.
就他？下铺玩手机的兄弟突然大笑起来，他肯定娶几个媳妇，夜夜笙歌，航你妹的海啊。
We felt enlivened by this unexpected output.
史上最危险的魔王到来！
Judo
Natee遇到了Prin，Prin是一个富豪Prapas先生家中的长子，但是他跟爸爸有一些思想上的分歧。于是Prin就拒绝了父亲给自己买的豪华公寓，搬到了这个离学校很近的小公寓。他想要过一下接地气的自由生活。
等小娃儿反应过来，眼中立即充满了泪水，却咬紧牙关，也不出声喊叫，因为他心里想着三哥的话，说他没出息，还说往后一直打他……黄豆将四弟揍了一顿，感觉手底下很安静，没有预料中的哭喊挣扎。
徐阶见面便是一片赤诚之像，道尽自己如何拼尽全力保严总督，如何在皇上面前求情，今日终于做到这一步了。
However, in a small number of novels, there are still such words as "Chongqing, T-Tianjin, H-Harbin, S-Shanghai, B-Beijing. It is because these words are too sensitive that the first letter is used instead". Then I hope the landlord will adopt them.
Update to the latest version that supports 6.2. 2;
String array [] = exp.split (opt);
这时，如果外面有人进来看一眼，肯定以为这波人都是嗑了-药了，或者干脆都是疯了。
