The difference between overloading (overload) and overriding (override). Can overloaded methods be differentiated according to the return type?

The overloads and overrides of a method are implemented in a polymorphic way, except that the former implements the polymorphism at compile time, while the latter implements the runtime polymorphism. Overloads occur in a class, and methods with the same name are considered overloaded if they have different parameter lists (different parameter types, different number of arguments, or both); Overrides occur between subclasses and parent classes, and overrides require subclasses to be overridden by methods that have the same return type as the parent class, which is better accessed than the overridden method of the parent class. You cannot declare more exceptions than the parent class is overridden by the method (the Richter substitution principle). Overloads do not have special requirements for return types.

The difference between overloading (overload) and overriding (override). Can overloaded methods be differentiated according to the return type?