How "Run time Polymorphism or Overriding" works?

Question

I know what overriding is. As overriding is run-time polymorphism it works during run-time. But everything seems compile-time to me as the code works after the compiling phase. Can you help me to visualize the run-time polymorphism that how it decides during run-time?

Answer 1

Run-time polymorphism work base on vtable & vpointer concept. For more detail, please see this article

Answer 2

For C++ "Run time" polymorphism, read this post