Inheritance: From general to specific

Inheritance lets you define a new class from an existing one. That removes duplicated code: you put shared behavior in a parent class and specifics in a child class.

Full content is available with a subscription.
Get full access to all courses on the platform for one year with a single payment.
Unlike other platforms that charge per course, here you get everything for one price, and after one year of use there will be no automatic charge for the following year.