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Questions and Answers
What is a primary concept of object-oriented programming that allows for creating instances of classes?
Which principle of object-oriented programming refers to the idea of restricting access to certain properties of an object?
What object-oriented concept allows different classes to be treated as instances of the same class through a common interface?
Which term describes the mechanism by which one class can inherit properties and methods from another class?
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What is the main advantage of using abstraction in object-oriented programming?
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Study Notes
Instantiation
- Instantiation is the process of creating an object from a class.
- An object is an instance of a class, representing a specific entity or concept.
- Instantiation allows for creating multiple objects of the same type with unique properties and behaviors.
Encapsulation
- Encapsulation restricts access to certain parts of an object, often through the use of access modifiers (e.g., public, private, protected).
- It hides internal implementation details and protects data from external modification, enhancing modularity and security.
Polymorphism
- Polymorphism enables treating different classes as instances of a common interface, allowing for interchangeable objects.
- This provides code flexibility and allows for dynamic method dispatch, where the specific method executed depends on the object's type at runtime.
- It promotes code reusability and adaptability.
Inheritance
- Inheritance allows a class to inherit properties and methods from another class (parent or superclass).
- This promotes code reuse and hierarchical organization of classes, fostering a "is-a" relationship.
- Subclasses (child classes) inherit and can override or extend the behavior of their superclasses.
Abstraction
- Abstraction focuses on the essential aspects of an object, hiding complexities and providing a simplified view.
- It simplifies code design and reduces complexity by defining a common interface for interacting with diverse objects.
- This promotes code reusability and separation of concerns, allowing developers to focus on the key functionalities.
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Description
Test your understanding of key Object-Oriented Programming concepts such as Instantiation, Encapsulation, Polymorphism, and Inheritance. This quiz will help reinforce your knowledge of how these principles enhance modularity, security, and flexibility in coding.
