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For instance, the importing parameter 'class1_prgm' for method 'start' in the 'class_type_approach' class refers to an abstract type that could never be instantiated on its own.Whenever the method is called with a concrete sub class implementation such as class_procedural or class_OO, the ...
We can change the virtual function area() in the base class to the following − classShape{protected:intwidth,height;public:Shape(inta=0,intb=0){width=a;height=b;}// pure virtual functionvirtualintarea()=0;}; The = 0 tells the compiler that the function has no body and above virtu...
You can't achieve the compile time polymorphism in JavaScript as you can't overload the method.Print Page Previous Next AdvertisementsTOP TUTORIALS Python Tutorial Java Tutorial C++ Tutorial C Programming Tutorial C# Tutorial PHP Tutorial R Tutorial HTML Tutorial CSS Tutorial JavaScript Tutorial SQL ...
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