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听到这个声音，青鸾公主面如死灰。Here we seem to simulate the process of a collection class, does it feel great? In fact, each class in JDK is also these basic things, plus some design patterns and some optimization. As long as we learn and master these things, we can also write our own collection classes and even frameworks!860010-11190641001941年夏，日本驻山西凤城军区总司令松井集结兵力对凤凰山八路军展开了疯狂的围剿，我军在潘中和司令的带领下艰难抵抗，开战游击战，更是派出了以李剑为首的七人组成的“利箭特战队”炸毁日寇的弹药车，封锁敌人的军火运输线，松井精心策划的一次大规模围剿八路军计划宣告失败。松井严厉问责凤城守备队长清水光一，清水大为恼火，展开报复，残忍地杀害了李剑的父母及全村村民。Enterprises must strive to predict the possible security threats to applications and network services and mitigate the consequences of these attacks by formulating security contingency plans.In TCP/IP protocol, TCP protocol provides reliable connection service and uses three-way handshake to establish a connection.