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Note: Here is the script of the react debugging tool. Don't consider it.The baby boy's condition became worse and worse. He contracted pneumonia, developed high fever and dyspnea. After repeated rescue, he died six months later.名为“战争灾难”的另一场战争——。As far as a class is concerned, there should be only one reason for it to change. If a class assumes too many responsibilities, it is tantamount to coupling these responsibilities together. Changes in one responsibility may affect other responsibilities. In addition, coupling multiple responsibilities together will also affect reusability.(1) Initialize the Initiation Dispatcher, and then register several Concrete Event Handlers into the Initiation Dispatcher. When the application registers the Concrete Event Handler with the Initiation Dispatcher, it specifies the event of interest at the same time of registration, i.e. The application identifies that the event handler wants the Initiation Dispatcher to notify it when certain events occur, the events are identified by the Handle, and the Concrete Event Handler holds the Handle. In this way, the events---> Handle---> Concrete Event Handler are associated.No.8 Dilraba