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Object Oriented Programming - Basics

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Questions and Answers

What is the primary purpose of abstraction in OOP?

To show only the essential features of the application and hide the details (correct)
To reuse once written code again and again
To hide the essential features of the application
To bind the data variables and functions together in a class

What is the relationship between a class and an object in OOP?

A class is a blueprint for multiple objects
A class and an object are the same thing
An object is an instance of a class (correct)
A class is an instance of an object

What is the primary benefit of inheritance in OOP?

To reuse once written code again and again (correct)
To bind the data variables and functions together in a class
To hide the details of an application
To create functions with same name but different arguments

What is a class in OOP?

A blueprint for an object that declares and defines its data variables and operations (D) Signup and view all the answers

What is the term for binding data variables and functions together in a class?

Encapsulation (D) Signup and view all the answers

What is the purpose of exception handling in OOP?

To handle unresolved exceptions or errors produced at runtime (B) Signup and view all the answers

What is the main difference between C++ and C language?

C++ is an object-oriented language while C is a procedural language (B) Signup and view all the answers

What is the feature of OOP that allows for creating functions with the same name but different arguments?

Polymorphism (D) Signup and view all the answers

What is the concept of a blueprint for a house design similar to in OOP?

A class description (A) Signup and view all the answers

What is the benefit of function overloading in C++?

It provides multiple definitions for a function with the same name (D) Signup and view all the answers

What is the purpose of constructors and destructors in C++?

To create and manage objects (A) Signup and view all the answers

What is the advantage of inline functions in C++ over macros in C language?

Inline functions are safer than macros (A) Signup and view all the answers

What is the primary focus of Object Oriented Programming?

To enable programmers to think in terms of real-life entities and objects (C) Signup and view all the answers

What is a characteristic of Object Oriented languages?

All of the above (D) Signup and view all the answers

What is the primary purpose of a Class Diagram in OOP?

To illustrate the relationships between objects (B) Signup and view all the answers

In OOP, what is the term for when an object inherits the properties of another object?

Inheritance (A) Signup and view all the answers

What is the term for when an object can take on multiple forms, depending on the context?

Polymorphism (C) Signup and view all the answers

What is the term for hiding the internal details of an object from the outside world?

Encapsulation (B) Signup and view all the answers