Generic Constraint
This lesson explains how to transform a generic type with a constraint to control what can be passed.
We'll cover the following...
With generic, you can specify that the type passed into your generic class must extend a specific interface. Generic allows having code that can rely on a minimal interface without forcing a specific class.
For example, with a list, you do not need to force the list to hold a specific object. Instead, you can create a generic list where the generic type passed must extend a ...