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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:Also, there is no extra money at all. It is good to be a personnel person. People with ability have been in charge for eight years. How many headhunters are rushing to send you money to inquire about all kinds of talents? She didn't. It is estimated that the relationship with all kinds of talents is not as good as that between earthworms and her colleagues.板栗一边夸紫茄，一边对小葱道：咱们几个都是上下不差，如今就看他们小的了，这才是真正的奇兵。町田君是家里的长男，承担了全部家务，包括照顾弟妹。 町田君是班里的学生，成绩真的很一般，文法都不太会。 町田君是个温柔的人，不假思索给予援助，这能算一项特长吗？　　陈重、李良、王林是从同一间大学宿舍走出来的兄弟……晓娜和晓维是对相差十岁的姐弟，面对生活，事业有成的晓娜和游戏宅男的晓维，却是各有各的烦恼。为了能把姐姐嫁出去，晓维使劲浑身解数，却不料他这一番折腾，还真就把姐姐的真命天子给折腾出来了。于是围绕着每个人都开始了一段奇妙的爱情之旅。电视剧《我心依然》讲述的是一个整容医生失去心爱的女友后，因为一次车祸认识了一个面貌丑陋的女孩，在为她治疗的过程中，整容医生不经意间将女孩的脸整容成自己死去女友的美丽面容，从而引发了一系列错综复杂的情感纠葛。这一偶像剧情扑朔迷离，角色关系错综复杂，而其中女主角陈彦更是一人分饰三个角色，使得该剧大有看头。