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3 cards from this section. Quick, good the night before a test.
What is inheritance in Java?
Think about code reuse.
Write the syntax to define a subclass Dog that inherits from Animal.
Use the `extends` keyword.
What keyword is used to create a subclass in Java?
It is not simply 'extend'!
An interface can contain concrete methods. True or False?
Think about what an interface is meant to enforce.
Write a Java program to demonstrate single inheritance, where a superclass has a method and the subclass overrides it.
Remember to use 'extends' while declaring the subclass.
Create a scenario where multiple classes implement a single interface and call their methods. Describe the output.
Focus on how each class follows the interface contract.
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