C # comparison of object-oriented nouns (1)

Override and overload)

Similar: They all redefine the implementation process of a method.

Differences:
Override: indicates the re-implementation of a method between objects. When a class inherits a class, when a method in the base class is declared as virtual or abstract, redeclare a method using the override keyword in a derived class. Note that this method must be the same as the parameter return value in the base class. A class can only override a method of the base class once, the implementation of calling a base class or a derived class is determined by the type of the defined object, and is irrelevant to the parameters of the method.

Overload: indicates the re-implementation of a method in an object. A method overload does not require a keyword. You only need to declare that the parameter types or numbers of methods are different, the reload cannot be overloaded Based on the return type. The reload can be reloaded multiple times without restrictions. which of the following overload methods can be called depends only on the parameters used in the call?

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