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Questions and Answers
Which feature of Object-Oriented Programming allows us to perform a single action in different ways?
What does the term 'poly' in Polymorphism refer to?
In the context of Java, what does Inheritance allow one class to do?
What is the primary advantage of Inheritance in Java?
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How does Polymorphism relate to real-life examples like a person possessing different characteristics?
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What does the term 'morphs' in Polymorphism mean?
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Which term describes the mechanism that binds together code and the data it manipulates?
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What is the process of hiding the implementation details and showing only functionality to the user known as?
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How is encapsulation achieved in Java?
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What does data-hiding refer to in the context of encapsulation?
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Which feature of Object-Oriented Programming allows a single action to be performed in different ways?
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How does abstraction differ from encapsulation?
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What is the primary benefit of using abstract classes or interfaces for achieving abstraction?
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In Java, what does inheritance allow a class to do?
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'Poly' in Polymorphism refers to:
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Study Notes
Object-Oriented Programming Concepts
- Polymorphism allows a single action to be performed in different ways, making it a feature that enables multiple representations for a single entity.
Polymorphism
- The term 'poly' in Polymorphism refers to 'many', signifying multiple forms or representations of a single entity.
- The term 'morphs' in Polymorphism means 'forms' or 'shapes', implying the ability to take on multiple forms.
Inheritance in Java
- Inheritance allows one class to inherit the properties and behavior of another class, enabling code reuse and a more hierarchical organization of code.
- The primary advantage of Inheritance in Java is code reuse and a more organized code structure.
Polymorphism in Real-Life
- Polymorphism relates to real-life examples like a person possessing different characteristics, such as being a student, employee, and family member, where a single entity (person) takes on multiple roles or forms.
Encapsulation
- Encapsulation is the mechanism that binds together code and the data it manipulates, hiding implementation details and showing only functionality to the user.
- In Java, encapsulation is achieved by using access modifiers (public, private, protected) to restrict access to certain data and methods.
- Data-hiding refers to the concealment of implementation details from the user, only exposing necessary information.
Abstraction
- Abstraction differs from encapsulation in that it focuses on exposing essential features while hiding non-essential details, whereas encapsulation conceals data and implementation details.
- The primary benefit of using abstract classes or interfaces for achieving abstraction is that it enables modeling complex systems by focusing on essential features and hiding implementation details.
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Description
Test your knowledge of Java's Object-Oriented Programming concepts including polymorphism. Explore how polymorphism allows different implementations of a single interface, providing versatility and flexibility in Java programming.
