宾馆干3P

Residents! Can we still stand by and watch? Can it still be irrelevant? Can we remain indifferent? !渴望在曾经的校园恶霸和昔日暗恋对象前炫耀自己的成功，两名好友在中学聚会上体验了一把疯狂之夜的滋味。紧接着，张家姑奶奶，玄武将军张灵儿派人来恭贺兄长大婚。顾涧就问道：周姑娘，你爹真的有病？那周姑娘红着眼睛道：当然真病了。三国时期，战火纷起。年轻的华佗在家乡亳州给百姓看病，过着自由洒脱的日子。华佗妙手让太守女儿明心起死回生，获得了神医美名，也从此与明心结下不解之缘。为了研制麻沸散给明心治疗眼睛，华佗开始游历寻药。在都城，华佗与英雄关羽、奸雄曹操和师兄吴思德屡有交集，见识了官场险恶，世态炎凉。最让华佗痛心的是，心爱的姑娘明心惨遭吴思德霸占。在东吴山中，绝望的华佗受隐者指点，幡然醒悟，立志成为医人医心医国的苍生大医。赤壁之战，刮骨疗毒，秘境历险。任凭风吹雨打，从不曾改变拯救苍生的赤子之心。麻沸散的研制成功，也让华佗和明心的爱情修成正果，可就在幸福来临时，曹操因病、因疑、因恨抓走了华佗，这位行医济世、妙手回春的苍生大医逝于囚牢。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: