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Avoid coupling the sender and receiver of the request, make it possible for multiple objects to receive the request, connect these objects into a chain, and pass the request along this chain until an object processes it. This is the responsibility chain mode. In the responsibility chain mode, it is possible for each object to process the request, thus realizing decoupling between the sender and receiver of the request. At the same time, the responsibility chain mode simplifies the structure of the object, which makes each object only need to refer to its successor without knowing the whole chain, thus improving the flexibility of the system and making it more convenient to add new request processing classes. However, we cannot guarantee that all requests can be processed in the responsibility chain, and it is not conducive to observing runtime characteristics.　　仲村亨、要润、广末凉子、矢本悠马、斋藤工、三浦翔平分别担任第1～6集的各集主演。高桥克实、八岛智人将以宇宙中心工作人员的身份出演全剧。In the event that the button button is pressed, Context no longer directly performs any substantive operations, but delegates the request to the currently held status object for execution through self.currState.buttonWasPressed (), with the following code:8-12 Sandwich: Write a function that accepts a series of ingredients that customers want to add to the sandwich. This function has only one formal parameter (it collects all the ingredients provided in the function call) and prints a message summarizing the sandwich ordered by the customer. This function is called three times, each time providing a different number of arguments.　　法王发现张是以后的神箭手，于是派人追杀张，但张经过仙仙和其他高手的帮助，终于练成神功，将法王杀死，并将仙仙变成真人。日积月累的疲倦吞噬了兄弟俩残留的孝心，哥哥无奈离开了白发苍苍的母亲，恋恋不舍的离开了病床上的父亲。弟弟年少轻狂，出言不逊，母亲的病倒，让他彻底崩溃离家出走。面对哥哥和弟弟的相继离走，小云痛在心底，留下孤单的自己照顾双亲，正当一切仿佛平静中，母亲举起瘦弱的手，揭开了尘封多年的秘密，小云不知所措的翻出箱子里一张泛黄的信签，一阵婴儿的哭声打破天际…..几组蒙太奇镜头，婴儿的脸，赶着牛车的夫妇，夕阳西下的银铃般的笑声….信签顺着小云的手指滑落，泪水滴落在信签上…