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:
民国时期身为杨家枪法第四十八代传人的乡村青年杨小郎自幼厌恶习武。姥姥恨铁成钢勒令杨小郎前往江城投奔二舅中华酒楼老板刘郭。在江城的大染缸里，杨小郎周璇在警察局、青龙会和洋人等几方相互敌对的势力下。本以为可以出淤泥而不染的杨小郎却发现自己正陷入几股势力设下的巨大阴谋。为了保护心爱的女子小凡杨小郎挺身而出。靠江湖游侠王处二传授的武功绝学“差时术”和他那三寸不烂之舌，杨小郎能否成为一个守护江城和爱人的英雄好汉……
蓝天碧海，风景怡人，无数的活力四射的年轻人生活在这座美丽的城市。身为护士的山姆（阿布舍克·巴强 Abhishek Bachchan 饰）和摄影师库纳尔（约翰·亚伯拉罕 John Abraham 饰）都必须尽快租到新房子，本来素不相识的二人因为看上同一套公寓而相识。房主坚持房子只租给女士，二人急中生智谎称是同志才得到了房主的同意。公寓里还住着房东漂亮的外甥女奈哈，两个帅气的小伙子要在一个美女面前假装同志这可让俩人伤心不已。在相处的过程里，山姆和库纳尔居然都爱上了美丽的奈哈，可是介于“同志”身份，二人只能私下相互竞争。奈哈和自己的上司恋爱了，二人决定要从情敌变为同盟，合伙抢回奈哈……
说《倚天屠龙记》不如《刀剑封神录》，最起码也要等到这两部小说写得差不多了再说。
父亲妙计。
《恶魔少爷别吻我》讲述了发生在斯蒂兰大学预科班中几个年轻男女之间曲折动人的青春爱情故事
"There are close combat, But that was later, At the beginning, They rush up, Let's fight, Because the speed is too fast, Most of them can't be hit, Only a few machine guns were shot down by strafing. It is too difficult to hit an automatic rifle with a single shot, Fully automatic shooting and uncontrollable, Fortunately, in the end the mines blew them up. I don't even know what they are, However, no one can see that landmines play an important role. In order to be able to withstand the possibility of a similar attack, The company commander sent four comrades to re-mine, We provide cover up there, As a result, they had just finished their cloth and were ready to come back. That is, the time of the front and rear feet, Another batch rushed up below, This time the number is much higher than last time. I took a look at it, It is estimated that there are at least 30, When the reaction comes back, They rushed up to the four comrades, The two sides mingled, Dare not throw grenades, Afraid of bombing one of his own, Shooting is also restricted, Still afraid of accidental injury, With such a delay, three of the four comrades were tackled by those things, and the remaining one was quick in legs and feet. I remember he first shot with his backhand and knocked out the one closest to him, and then he wanted to save people. Besides the company commander, there was also a platoon officer on our side. The platoon officer shouted to death with a broken gong voice, shouting only two words, "come back!" , probably out of instinct plus the role of command, he hesitated for a moment and turned to run back, and he ran back, is to pick up a life, but the other three comrades, born by those things to tear, some bit off the throat, some was torn off the arm
新加坡电视剧《随心所欲》说的是两个现代女性兼好友elyn（程笛饰）和haze（傅芳玲饰），在一次误会事件中认识了钻石王老五pier（郑斌辉饰）与james（ 沈倾掞饰），四人从此交织出错综复杂的感情。pier是个追求生活享受但不愿被生活束缚的人，可是haze却向往有个传统温馨的婚姻，因此两人之间不断出现矛盾与问题。至于elyn和 james，两人同样只追求生活享受与”曾经拥有”的感情关系，开始他们的相处如鱼得水，可久而久之却想要占有对方，于是他们之间发生了微妙的变化……
不知过了多久，顾小玉突然大声说道。
为了给母亲治病，生长在大山里的青年张三斤（沈腾 饰）带着母亲来到了车水马龙的繁华大都市深圳，在这里一边工作一边照顾母亲。一场意外中，张三斤结识了美丽的盲女花儿（许龄月 饰），花儿十分同情张三斤和他母亲的遭遇，主动来到了张三斤家，肩负起了照顾老太太的责任，令张三斤十分感动。最终，两人走到了一起，携手步入了婚礼的殿堂。
Netflix的拉丁裔多镜头喜剧《阿什丽·加西亚的扩阔宇宙 The Expanding Universe of Ashley Garcia》由Mario Lopez及Seth Kurland所创作，剧中讲述15岁半的Ashley Garcia（Paulina Chavez饰）是个机器人工程师兼火箭科学家，她现在得到机会在大空总署中工作，于是Ashley搬家来到与喜爱玩乐的叔叔Victor（Jencarlos Canela饰）同住；Victor是个前职业美式足球员，现在则是高中教练，过去从来没有应付过甚么大责任。
该剧根据何群仓同名小说改编，描述的是上世纪70至80年代，发生在原长安县3户人家之间的爱情、亲情和友情。 一夜暴雨之后，洪水袭来，三岸大队党支部书记叶红林的妹妹叶红荞落入水中，幸被地主家庭出身的汪百成救起。两人一见钟情。叶红荞要求到苹果园上工，父亲同意，但提醒她汪百成成份不好，不能和汪百成相好。汪百成的哥哥汪百顺死于五年前那场洪水，其妻夏玉兰喜欢小叔汪百成，苦等五年却不被领悟。汪百成在与偷苹果的盗贼搏斗中负伤，叶红荞和夏玉兰送百成去卫生院急救，这两个爱上同一男人的女人陷入相互竞争又相互理解之中。汪百成伤好上工后，叶红荞高兴异常，两人夜晚在河边白杨树下约会，私订终身，恰被叶红林撞个正着。 叶红林向五爸叶秉南告密，叶秉南立即策划让红荞与周家岸贫农的儿子周建建订亲。叶红荞向父亲提出要嫁给汪百成，遭到拒绝，叶红荞以绝食抗争，怎奈父亲也以绝食相威胁，她只好听从父命与周建建举行了订婚仪式。当天晚上，红荞与百成又在白杨树下约会，两人在抱头痛哭中拿定主意，在河边举行了结婚仪式，在稻草堆旁入了洞房。不料又
玉娘，玉娘，真的是你吗？火把在巷中燃起，一个跛足的老者，迈着蹒跚的步子匆匆而来，焦急不已。
The picture shows Mr. Sun (second from right) leading the team leader (first from right) and vice-captain (first from left) to take a picture with the practice unit.
Make Joint Efforts to Eliminate Binjiang Cancer
5. Check the calculation, select another front row of defense data, and continue to learn from each other to verify the correctness of the formula.
秦枫还叫来了大徒弟方虎，又请郑青木帮忙，张罗买砖瓦、运土石木料等事项。
可是，她面上却一点不显，目光在鲁三脸上一溜，然后看着香儿不语：妹妹，你能作得了他们的主吗？香儿便对鲁三道：鲁三叔，让山子叔他们去投军吧，说不定能挣一份功名回来，他们又嫌寨子里太闷。
