This class can meet the basic requirements, but if we put a class like this without thread safety protection into a multi-threaded environment, there will definitely be problems. How to solve them? The first thing we think of is adding the synchronized keyword to the getInstance method, as follows:
三界动荡，天崩地裂，洪荒破碎，一些碎片化成太虚星空。
其杀伤力也也将大幅度提高，一旦造成到伤，治疗也不大容易，让敌军赶到胆寒，带来的威慑力也将更加许多。
A mediation object is used to encapsulate a series of object interactions. Intermediaries do not need to explicitly refer to each other, thus loosely coupling them and independently changing their interaction.
故事背景为二十世纪八十年代初的美国硅谷，其时个人电脑正处于萌芽阶段，IBM公司刚刚推出旗下第一款主打产品并垄断市场。故事主人公为乔·麦克米伦（李·佩斯 饰），一个富有远见且极具野心和胆识的IBM前高官，离开老东家后他神秘失踪一年，现任职于“卡迪夫电子公司”。乔一心想要设计出革命性科技产品，与老东家抗衡，他召集了高登·科拉克（斯科特·麦克纳里 饰）——因产品失败而一蹶不振、得不到妻子支持的天才工程师，还有卡梅伦·霍威（麦肯兹·戴维斯 饰）——曾与乔发生过一夜情的科技奇才。乔运用强硬手段，迫使现任老板不得不加入这场野心勃勃、竞争激烈的科技革命洪流。
黎明破晓的荒芜之地，这个野蛮人和逃犯聚居的地方在1877年的春天发生了很多改变。许多新移民的到达和逐渐完善的管理使这个原来的难民营变成一个勃勃生机的市镇。与此同时，犯罪的气息逐渐弥漫，金钱和欲望驱使着这里的人们，而这一切，就是Deadwood的奇妙之处... 故事描述美国历史上著名的淘金潮，一个抢夺和贪欲的年代，故事把重心集中在美国边界城镇和那在它的非法边界中存在的无情力量的竞争。 这个城镇是违法的殖民, 一个暴力的和未开化的前哨，吸引个性的五彩缤纷的人排列前往 - 从被剥夺法律保护的人和企业家到前任军人和敲诈者，华人劳动者，男娼。在这些人身上发生的故事也光怪陆离，一如这罪恶的小镇。 《死木》虽然是近代的西部淘金热题材，但可以肯定的是，它不会“节约”情色内容以及暴力粗口——大多数场景都设在一座妓院，内容多涉毒品及犯罪。由《纽约重案组》(NYPD Blue)制作人大卫·米奇担纲，讲述美国法治与资本主义诞生的剧集。剧名来源于南达科达州Deadwood城，一个终于在1989年赌博合法化的地方。 在刚刚揭晓的62届金球奖中，Timothy Olyphant夺得最佳男主角。
23年前，罗美玉利用自己的美貌和姿色，征服了季氏集团的董事长季大海，成为了他的第二任妻子。3年后季大海去世，罗美玉霸占了整个季氏集团，季大海的母亲秦柳红失踪，而季大海和第一任妻子的女儿季涵雪备受排挤，成了家中的边缘人。斗转星移，罗美玉在掌权20年后，打算把季氏的产业全部交给自己的大儿子季严。季严虽然姓季，但并不是季家的血。在这种危机关头，季涵雪和自己倒插门的丈夫杨子裕，准备进行绝地反击。令人意想不到的是，有一个神秘的第三方势力，也加入了争斗。
好在，天启从来不吊人胃口。
As one of Germany's troika, BMW has always been a representative of the pursuit of extreme control. The common saying "drive a BMW and ride a Mercedes" is still a creed respected by many people. For a long time, the 3 Series, as one of the models that best embody the essence of BMW, has been favored by consumers. BMW also dotes on the 3 Series, after all, it does not want this golden signboard to be destroyed in its own hands.
《可以跟你回家吗》是一档非虚构类都市群像微纪录片，节目全程真实记录，没有预设、没有煽情，在城市中寻找一眼对视的陌生面孔，帮助他解决眼前的小麻烦，在征得其同意、保护其隐私的前提下，用镜头和语言打开他们的家门与心门，与每一个有趣的灵魂深度对话，探索他们褪去社会角色后的真实人生。
陈平本还有些沾沾自喜，当看到尹旭尾随骑牛少年一同归来时，笑容有些尴尬了。
不久之后，一支由特种兵、考古学家、生物学家、密修高手等各色人物组成的神秘科考队，开始了一场穿越全球生死禁地的探险之旅，他们要追寻藏传佛教千年隐秘历史的真相…… 西藏，到底向我们隐瞒了什么
宋朝中叶某某年间，年华十八的凌云自幼丧母，与打铁为生的父亲凌铁相依为命，凌云侍亲至孝，为了不想出嫁而离开年迈的老父，凌云把自己美丽的脸孔收藏起来，终日装扮成一个面貌奇丑的女子，凌云在村中有一青梅竹马的挚友——楚楚因生得样貌奇丑，在村中只有一个好朋友，便是样貌比他长得更“丑”的凌云。 在一年一度的园游会中，凌云因为无意中救了微服出游的皇帝，皇帝在一偶然的机会下，看到了凌云的真面目，他被凌云的美貌迷倒了，皇帝回京后，对凌云念念不忘，更大举于民间找寻其芳踪。而这边厢，凌云对皇帝虽然亦是情根深重，但为了要照顾老父，也只好暗自黯然，留在美人村中，而楚楚得知皇帝要接凌云回京之事后，竟然包藏祸心，暗中欺骗云去往一号称能施「变脸」魔法的江湖术士处，希望江湖术士能把自己跟凌云的容貌交换！从此，凌云及楚楚的命运逆转。 楚楚带着凌云的美貌，冒认凌云，飞上枝头，入至京中成为皇帝的妃子。可怜无辜的凌云，被好友出卖、失去一切，从此还要背负上楚楚的一切，有父不能认，有家归不得。云越想越不甘心，最后决
至徐阶赶到时，首先在阵前发现了自己年幼的孙子，更是恨得牙齿发颤。
When grandpa came to play, he was angry with grandpa: "why did you go there then? Why didn't you join the red army? If you had joined the army in those days, would my family be like this?"
On the morning of May 15, 2013, Aunt Liu was busy in the kitchen early. This morning, her son and daughter-in-law had an appointment to go home for breakfast. After waiting for a long time and seeing no one, Aunt Liu called the couple. As a result, both phones were turned off. Aunt Liu waited until more than ten o'clock. When the food was cold, she did not say anything about her son and daughter-in-law. Aunt Liu was a little panicked and hurried to her son's house. She pushed her son's door and found that the door was left unlocked. When she approached the door, she found no one in the living room. "What's the matter with you? Your cell phone is turned off!" Aunt Liu shouted loudly, but no one answered. She could only continue to walk to the bedroom. "What did I say you were doing?" Aunt Liu knocked on the bedroom door and asked, but no one answered. She pushed open the bedroom door and saw that the bed was clean and the couple was not at home. In addition, she did not find anything unusual at home. However, when she turned around and came out, the scene in the yard frightened her to disgrace. In the yard, the son's dog fell into a pool of blood. A blood hole was cut out of his head and thrown into the corner of the wall. The bricks beside him were covered with blood. Seeing that the ground was covered with blood, Aunt Liu collapsed with fear and called 110 to call the police.
民国初年，河北保定府。段祺瑞爱将阎旅长染病高烧，夜间又遇刺受惊，狂躁暴怒。当地名医给阎治病，因不敢担保治愈，当场被杀。阎命副官黄岳将全城大夫抓来，治不好一律枪毙。医者纷纷逃命，被抓者均遭毒手。
金岳泰与金世昌兄弟二人，专门打劫开赌场及印制伪钞，做案计划周详，不留破绽，警方也无可奈何，一次警方得知金岳泰与另一黑社会头子上海张合作制伪钞，而多个打劫及开赌计划同时进行，警方为免打草惊蛇，先派干探李策民作卧底，搜集所有犯罪证据，李策民与女友CAT及杰仔暗中进行活动，千辛万苦，身入虎穴搜集证据，最后为金世昌识破，枪伤杰仔及挟待CAT做人质，金世昌务求杀死李策民，但被李机警用计将金岳泰及金世...
