When you add a new class that extends a base class, the method stubs that need implementation are auto-generated.

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Quizplus · Accepted Answer

When you extend a base class, the subclass automatically inherits all of the methods of the base class. These methods may be used as is or overridden to provide a new implementation. Any abstract methods in the base class will need to be implemented in the subclass, and typically, the IDE will generate stubs for these methods to simplify the process.

When You Add a New Class That Extends a Base