i have doubt i don’t know what is compile time and what is runtime in C#. i get this words from polymorphism (Method overloading, method overriding) can u explain me. Thank you
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i have doubt i don’t know what is compile time and what is runtime in C#. i get this words from polymorphism (Method overloading, method overriding) can u explain me. Thank you
Method overloading is determined at compile time. That means that the compiler knows exactly which code will be executed when you call an overloaded method. It can produce a direct call to the code without adding any checks that would have to be done when the code runs.
Method overriding is determined at runtime. When you call a virtual method the actual method to call is determined from the actual type of the object, and this check has to be done when the call is done. As a reference can potentially reference objects of different types, the compiler can’t determine from the reference type which method will be called, so it has to add code for looking up which class to get the method from.