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:
Proxy is an object, which can be used to control access to ontology objects. It implements the same interface as ontology objects. Proxy objects will pass all calling methods to ontology objects. The most basic form of the proxy mode is to control access, while the ontology object is responsible for executing the function or class of the assigned object. Simply speaking, the local object focuses on executing the code on the page, while the proxy controls when the local object is instantiated and used. We have used some proxy patterns in the above monomer patterns, that is, using proxy patterns to instantiate the monomer patterns, and leaving other things to ontology objects.
此时，网络上已经闹腾起来，《绝代双骄》仅是一个开篇，就引起了无数热议。
Second, combined with the Party's basic policies, further thinking about the current situation of Yayao Town.
片名Nymph是居住在山林、原野、大海等地的自然女神，源自于希腊神话中的传说生物。影片讲述了一个超自然的爱情故事，在一座丛林中，一个少女为两个男子所迷惑，数日之后，两个男人的尸体在附近的河面漂浮，没有人知道那个女孩发生了什么，又有谁会拯救她…
此情此景当真是狼入羊群，一边倒情势下，便将押粮兵尽数斩杀。
HBO正式宣布续订《104号房间》第二季。该剧一集一个故事，一个选集系列设置在一个单一的酒店房间，在那里每一个客人谁来住宿揭示一套独特的情况和怪癖。
23岁的女主有了个28岁的爸爸？因为各自需要组成了临时家庭，故事会怎么发展呢？
但赛特的训练一直不顺利，总是引起纠纷给村子里的人添麻烦。
有生气的工夫，不如去读书。
Safe Distance Answering Skills
啧啧，没有想到我还有住上这样好的房子的一天。
Gao Yin, a leading figure in Korean literature
只有好兄弟才会这样，换一个人，几年朝夕相处，淼淼怕是被骗没了。
+ ` + K. e3 g $s? /s% E F% O
改编自板羽皆的漫画作品,城岛茂主演倾注了所有的爱的大阪妈妈,描述主角伊佐木阳子,丈夫乔治与在高中三年级寻找梦想的长子武士,从父母家到独立前的充满欢笑和泪水日子。在剧中,两人常为便当争吵,因恋人被发现而烦恼,职业谘询的不同,秘密的打工中…等大吵大闹内容,之后也被儿子的梦想所感动,在毕业典礼上流泪,为即将踏上旅途的儿子而嚎啕大哭……故事由此展开。
夺回关中只是第一步，将来何去何从才是关键。
③ SENTINEL slaves
On January 26, a post reporting sexual harassment of female subordinates by senior officials of South Korea's Ministry of Justice appeared on the internal communication network of South Korea's Prosecutor's Office.
