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Java Methods Chapter

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Questions and Answers

What is the purpose of the dot (.) in Java?

To inherit properties from a superclass

To call a method

To declare a new class

To access the object's attributes and methods (correct)

What is the keyword used to indicate inheritance in Java?

Extends (correct)

Parent

Super

Inherit

What is the name given to the class that is being inherited from?

Superclass (correct)

Subclass

Child class

Parent class

What is the result of calling a method in Java?

Performing a certain action Signup and view all the answers

What is the main concept behind inheritance in Java?

To increase the functionality Signup and view all the answers

How many types of inheritance are possible in Java based on class?

3 Signup and view all the answers

What is the primary reason why polymorphism in Java allows for the reuse of code?

Because it enables objects to share a common interface without needing to know their specific details Signup and view all the answers

What is the term for when two or more classes inherit a single class in Java?

Hierarchical inheritance Signup and view all the answers

What is the primary challenge associated with polymorphism in Java?

It adds complexity to the code Signup and view all the answers

What is the term for when a class inherits another class in Java?

Single inheritance Signup and view all the answers

What is the benefit of polymorphism in Java that makes programs easier to maintain and extend?

It allows for the reuse of code Signup and view all the answers

What is the term for when there is a chain of inheritance in Java?

Multilevel inheritance Signup and view all the answers