Introduction to C# Programming

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Questions and Answers

When referring to C#, what is the common way to pronounce its name?

  • C-Sharp (correct)
  • C-Plus
  • C-Pound
  • C-Hash

Who originally created the C# programming language?

  • Sun Microsystems
  • The Apache Foundation
  • Microsoft (correct)
  • Google

C# is primarily designed to be what type of programming language?

  • Aspect-oriented
  • Logic-oriented
  • Procedure-oriented
  • Object-oriented (correct)

In what year was the first version of the C# programming language officially released?

<p>2002 (B)</p> Signup and view all the answers

Which of the following is a key characteristic of C#?

<p>It is closely integrated with the .NET Framework. (C)</p> Signup and view all the answers

Which of these languages is C# syntactically most similar to?

<p>Java (C)</p> Signup and view all the answers

What is the primary function of the .NET Framework in relation to C#?

<p>It provides a runtime environment and class libraries for C# applications. (B)</p> Signup and view all the answers

Which of the following application types is C# NOT commonly used for?

<p>Operating systems (A)</p> Signup and view all the answers

What does IDE stand for in the context of C# development?

<p>Integrated Development Environment (A)</p> Signup and view all the answers

Why is an IDE crucial for C# programming?

<p>It provides tools for editing, compiling, and debugging code in one place. (C)</p> Signup and view all the answers

Which of the following is a popular IDE often used for C# development?

<p>Visual Studio (B)</p> Signup and view all the answers

Which of the following is a key advantage of using C# for software development?

<p>Clear structure for programs (D)</p> Signup and view all the answers

If a programmer is already familiar with Java, how does this affect learning C#?

<p>It provides a strong foundation, making it easier to learn C#. (A)</p> Signup and view all the answers

What is the significance of namespaces in C#?

<p>To organize code into logical groups and prevent naming conflicts. (D)</p> Signup and view all the answers

What role do curly braces {} play in C# syntax?

<p>They define the start and end of a block of code. (D)</p> Signup and view all the answers

What is the purpose of the using keyword in C#, such as using System;?

<p>It imports and uses classes from a specified namespace. (A)</p> Signup and view all the answers

What is the role of a 'class' in C#?

<p>It is a container for data and methods, providing functionality to a program. (C)</p> Signup and view all the answers

In C#, why must every line of code that runs be located inside a class?

<p>To adhere to the object-oriented paradigm that C# is built upon. (A)</p> Signup and view all the answers

If given the line of code Console.WriteLine("Hello World!");, what can be inferred of Console?

<p><code>Console</code> is a class of the <code>System</code> namespace used to output text. (A)</p> Signup and view all the answers

Considering the structure of a basic C# program, what is the entry point where execution begins?

<p>The <code>Main</code> method inside a class. (B)</p> Signup and view all the answers

What is the significance of the semicolon (;) in C#?

<p>It marks the end of a statement. (D)</p> Signup and view all the answers

What benefit do object-oriented features give to C#?

<p>They allows code to be reused. (C)</p> Signup and view all the answers

Which of these is NOT a common application of C#?

<p>Machine Learning Model Training (D)</p> Signup and view all the answers

Which of these is the newest version of C# described in the text?

<p>C# 8 (A)</p> Signup and view all the answers

Which one of these applications can be built using C#?

<p>AR (Augmented Reality) (A)</p> Signup and view all the answers

Flashcards

What is C#?

C# is pronounced "C-Sharp". It is an object-oriented programming language created by Microsoft that runs on the .NET Framework.

What is C# used for?

C# is used for mobile, desktop, and web applications, web services, websites, games, AR/VR, and more.

Why use C#?

C# is popular, easy to learn and use, has community support, provides clear structure, and allows code reuse.

What is an IDE?

An IDE (Integrated Development Environment) is used to edit and compile code.

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What does using System do?

using System means that you can use classes from the System namespace.

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What is a namespace?

Namespace is used to organize your code, and it is a container for classes and other namespaces.

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What do curly braces signify?

The curly braces {} mark the beginning and the end of a block code.

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What is a class?

Class is a container for data and methods, which brings functionality to your program.

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Where does C# code run?

Every line of code that runs in C# must be inside a class.

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What is the Console class?

Console is a class of the System namespace, which has a WriteLine() method that is used to output/print text.

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What does WriteLine() do?

The WriteLine() method is used to output or print text to the console.

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Study Notes

  • C# is pronounced "C-Sharp".
  • C# is an object-oriented programming language created by Microsoft and runs on the .NET Framework.
  • The language has roots from the C family, making it similar to C++ and Java.
  • The first version of C# was released in 2002.
  • The latest version, C# 8, was released in September 2019.
  • C# has many uses, including mobile applications, desktop applications, web applications, web services, websites, games, AR (Augmented Reality) and VR (Virtual Reality).
  • As a programming language, C# is very popular.
  • C# is easy to learn, simple to use and has a huge community support.
  • The object-oriented nature of C# gives programs a clear structure and allows for code reuse, which lowers development costs.
  • The similarity of C# to C, C++ and Java, makes it easy for programmers to switch to C# or vice versa.
  • The easiest way to get started with C# is to use an IDE (Integrated Development Environment) to edit and compile code.
  • Visual Studio Community is a free IDE to use.
  • Applications written in C# use the .NET Framework, so it makes sense to use Visual Studio, since it uses the same program, framework, and language created by Microsoft.

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