Introduction

This article is going to walk you through the working of dynamic binding in C++. You are expected to have a basic knowledge of the working of inheritance and static binding in C++. This is because some limitations of static binding are removed by dynamic binding. We will show you, along with proper and simple codes, how dynamic binding is useful.

What is Dynamic Binding?

By binding, we generally mean linking one object with another. In terms of programming languages, binding is not very different. It is the linking of a function definition and a function call. But why ‘dynamic’? In simple words, dynamic binding is just delaying the choice or selection of which function to run until its runtime. Using dynamic binding in C++, we choose which function we can execute based on the underlying type of the object.

This flexibility was not afforded to programmers with static binding. The static binding used to happen at compile time and not run time. Additionally, static binding made linkage of function call and definition during compile time, whereas, as you now know, dynamic binding does not do that until run time.

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