Difference Between Static and Dynamic Binding in c++ by 124study.blogspot.in

Association of a ‘function definition’ to a ‘function call’ or an association of a ‘value’ to a ‘variable’, is called ‘binding’. During compilation, every ‘function definition’ is given a memory address; as soon as function calling is done, control of program execution moves to that memory address and get the function code stored at that location executed, this is binding of ‘function call’  to ‘function definition’. Binding can be classified as ‘static binding’ and ‘dynamic binding’. If it’s already known before runtime, which function will be invoked or what value is allotted to a variable, then it is a ‘static binding’, and if it comes to know at the run time then it is called ‘dynamic binding’.

Content: Static Vs Dynamic Binding

1. Comparison Chart
2. Definition
3. Key Differences
4. Conclusion

Comparison chart:

BASIS FOR COMPARISON	STATIC BINDING	DYNAMIC BINDING
Event Occurrence	Events occur at compile time are "Static Binding".	Events occur at run time are "Dynamic Binding".
Information	All information needed to call a function is known at compile time.	All information need to call a function come to know at run time.
Advantage	Efficiency.	Flexibility.
Time	Fast execution.	Slow execution.
Alternate name	Early Binding.	Late Binding.
Example	overloaded function call, overloaded operators.	Virtual function in C++, overridden methods in java.