and called by programmer code, while other special methods--such as constructors, destructors, and conversion operators--are created and called by compiler-generated code. A language may also allow the programmer to define and call these special methods.

Interface

Every class implements (or realizes) an interface by providing structure and behavior. Structure consists of data and state, and behavior consists of code that specifies how methods are implemented. There is a distinction between the definition of an interface and

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