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219. X.X.30在汉军大营，韩信坐在帅位上，问道：李左车，jiāo代给你的事情完成了没有？元帅放心，按照你的吩咐，已经准备了足够的沙石布袋。B) Design principles. Many people have listed seven principles, such as single duty principle, opening and closing principle, Richter substitution principle, dependence inversion principle, interface isolation principle, composite reuse principle and Dimit principle. LSP, I elevated it to one of the three cornerstones of the object-oriented paradigm; Single responsibility and interface isolation are mainly used as the principle of responsibility division in object-oriented analysis/OOA, which you can not pay much attention to at this time. Relying on the inversion principle, I throw it away as garbage, because the opening and closing principle or directly "relying on abstract type principle" already contains the essence of relying on the inversion principle, while the dross of relying on the inversion principle is inherited by IoC. Of course, the pullback, I emphasize very much. Therefore, you need to master the abstract dependency principle (OCP), one-way dependency principle (including the learning of callbacks) and the minimum dependency principle (composite reuse principle, Dimit rule).看到属下远去的背影，张良心中暗叹：也不知这个决定是对是错？尹旭此人太过复杂，太过的捉mō不透。季棠棠的母亲是上一代路铃掌铃人盛清屏，被父亲秦守成欺骗感情，逃离盛家，生下盛夏后被秦家害死。作为下一任路铃掌铃人的季棠棠在母亲被杀害后独自踏上旅途，棠棠拥有着不为人所知的神奇超能力，她一路调查与冒险。在途中结识了男主角岳峰，与岳峰一路斗嘴却又惺惺相惜，并在岳峰等人的帮助下，一步一步揭开盛家、秦家、石家三大家族间百年恩怨的故事。