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C# Fundamentals: Hello World and Namespaces

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C# Fundamentals: Hello World and Namespaces

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Questions and Answers

What is the purpose of the 'base' keyword in C#?

To access members of the base class from the derived class (correct)
To specify the default constructor for the derived class
To create a new instance of the base class in the derived class
To restrict access to certain members of the base class

In C#, what is the purpose of string interpolation?

To convert a string to uppercase
To insert values into a string (correct)
To concatenate strings using + operator
To split a string into substrings

What is the main advantage of using interfaces in C#?

To allow a class to inherit from multiple base classes
To provide a way for unrelated classes to implement common functionality (correct)
To define non-default constructors
To enforce access restrictions on class members

When creating new objects in C#, what is the purpose of constructors?

To allocate memory for the object and initialize its state (A) Signup and view all the answers

What does inheritance allow in C#?

Creation of new classes by extending existing ones (D) Signup and view all the answers

What is the purpose of namespaces in C#?

To create containers of code for organizing classes and other code elements (A) Signup and view all the answers

Which directive can be used in C# to import a namespace for the entire application?

Global Using Directives (B) Signup and view all the answers

What is the significance of C# being case-sensitive?

It differentiates between different identifiers based on their casing (C) Signup and view all the answers

What is the purpose of implicit data typing in C#?

To automatically deduce the type of a variable based on its initialization (C) Signup and view all the answers

How are namespaces useful when working with code from different namespaces in C#?

They provide a way to isolate pieces of code (C) Signup and view all the answers