Object-Oriented Programming (OOPs) in C# Quiz

What does OOPs stand for?

• Object-Oriented Principles

• Object-Oriented Programming System

• Object-Oriented Programming Structure

• Object-Oriented Programming

Which of the following is a key feature of OOPs?

• Procedural Programming

• Hardcoding

• Code Reusability

• Spaghetti Code

What is the purpose of Encapsulation in OOPs?

• To increase the code redundancy

• To slow down the program execution

• To make the code harder to read

• To hide the complexity of the code

What is Inheritance in OOPs?

• A way to create multiple instances of a class

• A way to rename a class

• A way to define a new class based on an existing class

• A way to delete a class

What is Polymorphism in OOPs?

• A way to create complex data structures

• A way to perform multiple tasks simultaneously

• A way to have multiple forms of a method

• A way to restrict access to data

What is the purpose of Abstraction in OOPs?

• To expose all the details of the implementation

• To hide unnecessary details and show only essential features of an object

• To make the code more complex

• To make the code less readable

What is the difference between Abstract Class and Interface in C#?

• Abstract Class can have method implementations, Interface cannot

• Interface cannot have properties, Abstract Class can

• Interface can have method implementations, Abstract Class cannot

• Abstract Class cannot have properties, Interface can

What is the purpose of Exception Handling in C#?

• To intentionally crash the program

• To handle unexpected errors and prevent program crashes

• To slow down the program execution

• To make the code more complicated

What are Delegates in C# used for?

• To define data structures

• To handle events and callbacks

• To perform mathematical operations

• To create new classes

What is the purpose of Multithreading in C#?

• To make the program run on multiple processors

• To slow down the program execution

• To reduce the memory usage

• To make the program single-threaded