Inheritance Quiz

What is inheritance in programming?

• A method to delete classes

• A way to create a new class from an existing class

• A type of error in coding

• A way to create random numbers

What is a base class?

• A class that is inherited from

• A class that has no methods

• A class that only has private members

• A class that inherits from another class

What does the sealed keyword do?

• Makes a class public

• Hides a class from the program

• Prevents other classes from inheriting from a class

• Allows other classes to inherit from a class

What is single inheritance?

• A class that inherits from only one base class

• A class that inherits from multiple classes

• A class that can inherit methods only

• A class that has no base class

What is an advantage of inheritance?

• Requires more memory

• Increases code repetition

• Makes code harder to read

• Reduces application development time

What is a derived class?

• A class that is the same as the base class

• A class that only has private methods

• A class that inherits from a base class

• A class that does not inherit anything

What is multi-level inheritance?

• A class that inherits from two base classes

• A class that inherits from one base class and becomes a base class for another

• A class that has no base class

• A class that can only inherit methods

What does code reusability mean?

• Making code longer and more complex

• Creating new classes without any code

• Writing code that cannot be used again

• Using the same code in different programs

What is a disadvantage of inheritance?

• Reduces code complexity

• Improves code organization

• Makes code easier to maintain

• Creates tight coupling between classes

What are protected members?

• Accessible to the class and package

• Accessible only to the class

• Accessible to class, package, and subclass

• Accessible to everyone