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OOP Principles Quiz

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Questions and Answers

Which type of inheritance allows a subclass to inherit properties and methods from a single parent class?

Single inheritance (correct)

Multi-level inheritance

Multiple inheritance

Hierarchical inheritance

In Java, how is multiple inheritance implemented?

Through nested classes

Through polymorphism

Through interfaces (correct)

Through abstract classes

What type of inheritance allows a subclass to serve as a base class for yet another subclass?

Multiple inheritance

Multi-level inheritance (correct)

Single inheritance

Hierarchical inheritance

Which type of inheritance is not allowed in Java directly?

Multiple inheritance Signup and view all the answers

What is the main concept supported by inheritance in object-oriented programming?

Reusability Signup and view all the answers

What type of inheritance allows a subclass to inherit properties and methods from a single parent class?

Single inheritance Signup and view all the answers

Which type of inheritance is not directly allowed in Java?

Multiple inheritance Signup and view all the answers

What type of inheritance allows a subclass to serve as a base class for yet another subclass?

Multi-level inheritance Signup and view all the answers

Which type of inheritance supports inheriting features from an already existing class and reduces code length in OOP?

Single inheritance Signup and view all the answers

What type of inheritance can be implemented through interfaces in Java?

Multiple inheritance Signup and view all the answers

Study Notes

Inheritance in Object-Oriented Programming

Single inheritance allows a subclass to inherit properties and methods from a single parent class.

Multiple Inheritance in Java

Multiple inheritance is not directly supported in Java, but it can be implemented using interfaces.

Multilevel Inheritance

Multilevel inheritance allows a subclass to serve as a base class for yet another subclass.

Limitations of Inheritance in Java

Multiple inheritance is not directly allowed in Java.

Purpose of Inheritance

The main concept supported by inheritance in object-oriented programming is code reuse and reduction of code length.

Hybrid Inheritance in Java

Hybrid inheritance can be implemented through interfaces in Java.

Note: Hybrid inheritance is a combination of multiple and multilevel inheritance.

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Description

Test your knowledge of Object-Oriented Programming (OOP) principles with this quiz on Inheritance, Polymorphism, Encapsulation, and Abstraction. Evaluate your understanding of creating derived classes, reusing features, and reducing code length in OOP. Master the concepts of single, hybrid, and hierarchical inheritance with this engaging quiz.