What are some examples of method overriding in programming?

What are some examples of method overriding in programming?

Method overriding occurs when a subclass provides a specific implementation of a method that is already defined in its superclass. For example, if you have a class Animal with a method makeSound(), a subclass Dog can override this method to provide a specific sound like 'Bark'.

Can you give me more detailed examples?

Sure! In Java, if you have a class Vehicle with a method start(), you can create a subclass Car that overrides start() to include specific behavior like turning on the ignition. Here's a simple code snippet:

class Vehicle {
    void start() {
        System.out.println("Vehicle is starting");
    }
}

class Car extends Vehicle {
    @Override
    void start() {
        System.out.println("Car is starting with ignition");
    }
}

What happens if the superclass method is not marked as virtual?

If the superclass method is not marked as virtual (in languages like C# or C++), the method in the subclass will not override it. Instead, it will hide the superclass method, and the superclass's version will be called unless you explicitly cast the object to the subclass.