What is the difference between method overriding and overloading?

What is the difference between method overriding and overloading?

Method overriding occurs when a subclass provides a specific implementation of a method that is already defined in its superclass. In contrast, method overloading allows a class to have multiple methods with the same name but different parameters.

Can you give me an example of method overriding?

Sure! If you have a class Animal with a method makeSound(), and a subclass Dog that overrides makeSound() to return 'Bark', that's method overriding.

And what about method overloading?

For method overloading, consider a class Calculator with a method add(). You could have one version that adds two integers and another that adds three integers. Both methods share the same name but differ in parameters.

Are there any performance differences between the two?

Generally, method overloading can be resolved at compile time, while method overriding is resolved at runtime. This can lead to different performance implications depending on the context.