Inheritance and Interfaces Quiz

What keyword is used to establish inheritance between classes?

• implements

• extends

• super

• inherits

In the context of inheritance, what does a subclass acquire from a superclass?

• Only constructors

• Both behaviors and attributes

• Only attributes

• Only methods

What is the relationship called when Class B inherits from Class A?

• Has-A relationship

• Is-A relationship

• Can-Do relationship

• Uses-A relationship

Which of the following is an example of a superclass?

• Car

• Fish

• Tilapia

• Earth

What does the 'super' keyword do in a subclass?

• Defines a new method

• Calls a method from the superclass

• Inherits attributes

• Creates a new object

What is method overriding?

• Deleting a method from the subclass

• Using the same method name in both superclass and subclass

• Changing the name of a method

• Creating a new method in the superclass

Which of the following is true about interfaces?

• They define a contract for classes to implement

• They can contain method implementations

• They can be instantiated directly

• They can only have one method

What keyword is used to implement an interface in a class?

• inherits

• implements

• uses

• extends

Which of the following is NOT a feature of inheritance?

• Multiple inheritance

• Improved code clarity

• Code reusability

• Modularity

What does an interface consist of?

• Only constant values

• Abstract methods and constant values

• Only abstract methods

• Only concrete methods