Ruby Programming Quiz

What is encapsulation in Ruby?

• Organizing code into objects

• Sharing code between classes

• Inheriting properties from another class

• Bundling data and methods into a single unit

What is the purpose of modules in Ruby?

• Create instances of classes

• Prevent naming conflicts

• Achieve method overriding

• Define attributes and behaviors

How is inheritance different from mixins in Ruby?

• Inheritance is for 'has-a' relationships

• Mixins are for 'is-a' relationships

• Mixins create a hierarchy of classes

• Inheritance allows sharing behavior between classes

What is the syntax for handling exceptions in Ruby?

• try-catch block

• if-else statement

• begin-rescue block

• switch-case statement

What does polymorphism allow in Ruby?

• Objects to encapsulate data and methods

• Objects of different classes to be treated as objects of a common superclass

• Objects to inherit properties and behaviors

• Objects to share code between classes

What is a class in Ruby?

• A concrete instantiation of a class

• A blueprint for creating objects

• A mechanism for handling exceptions

• A way to share code between classes

What does the extend keyword do in Ruby?

• Add module methods at the class level

• Inherit properties from another class

• Create instances of a class

• Mix module methods into a class

What is the purpose of including modules in Ruby?

• Achieve method overriding

• Organize code and prevent naming conflicts

• Define attributes and behaviors

• Create instances of classes

What is the mechanism of inheritance in Ruby?

• Objects encapsulate data and methods

• Objects share code between classes

• Objects of different classes are treated as objects of a common superclass

• Subclasses inherit behavior from parent classes

What is the purpose of mixins in Ruby?

• Encapsulate data and methods

• Inherit properties and behaviors

• Share behavior between unrelated classes

• Create a hierarchy of classes