Complete Java SE 8 Developer Bootcamp - Covariant Returns

The video tutorial explains covariant return types in method overriding. It introduces the concept with a class example, the grandfather registry, and demonstrates how a subtype can replace a supertype in overridden methods. The tutorial highlights the benefits of covariant return, allowing more specific object types and methods to be accessed, enhancing flexibility and functionality.

What is a covariant return in the context of method overriding?

Explain the relationship between a grandfather registry and a father registry in terms of covariant returns.

What are the benefits of using covariant returns when calling methods?

How does a covariant return allow for more specific object types?

Describe a scenario where not using a covariant return would limit functionality.