Polymorphism(cont.) a Static Binding-common situation Which function entrance to use could be decided before execution a Dynamic Binding- mechanism of polymorphism Which version of the check _in should be called could only be decided during execution by the addressed real object that mat represents a Delay the resolution until run-timePolymorphism (cont.) ◼ Static Binding – common situation ◼ Which function entrance to use could be decided before execution ◼ Dynamic Binding – mechanism of polymorphism ◼ Which version of the check_in() should be called, could only be decided during execution by the addressed real object that mat represents ◼ Delay the resolution until run-time