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C# Basics

bookString

A string is a sequence of characters. Strings are used for storing textual data.

main.cs

main.cs

copy

              
1234567891011121314

            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static void Main(string[] args)
        {
			string text = "Hello, World!";
			Console.WriteLine(text); // Output: Hello, World!
        }
    }
}

String data, or text, is always enclosed in double quotation marks (").

While arithmetic operations cannot be performed on strings, the plus (+) operator can be used to join two strings together. This process is known as string concatenation.

main.cs

main.cs

copy

              
123456789101112131415

            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static void Main(string[] args)
        {
			string partOne = "The first sentence. ";
			string partTwo = "The second sentence.";
			string combined = partOne + partTwo;
			Console.WriteLine(combined); // Output: The first sentence. The second sentence.
        }
    }
}

We can use the new line character (\n) to represent a new line in string data.

Consider the following example:

main.cs

main.cs

copy

              
12345678910111213

            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static void Main(string[] args)
        {
			string text = "The first line.\nThe second line.";
			Console.WriteLine(text);
        }
    }
}

When the \n character is encountered, the text automatically shifts to a new line. We can use multiple newline characters to skip multiple lines:

main.cs

main.cs

copy

              
12345678910111213

            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static void Main(string[] args)
        {
			string text = "The first line.\n\n\nThe second line.\nThe third line.";
			Console.WriteLine(text);
        }
    }
}
question mark

What will be the output of the following code?

Select the correct answer

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Hvordan kan vi forbedre det?

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Seksjon 2. Kapittel 6

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bookString

Sveip for å vise menyen

A string is a sequence of characters. Strings are used for storing textual data.

main.cs

main.cs

copy

              
1234567891011121314

            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static void Main(string[] args)
        {
			string text = "Hello, World!";
			Console.WriteLine(text); // Output: Hello, World!
        }
    }
}

String data, or text, is always enclosed in double quotation marks (").

While arithmetic operations cannot be performed on strings, the plus (+) operator can be used to join two strings together. This process is known as string concatenation.

main.cs

main.cs

copy

              
123456789101112131415

            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static void Main(string[] args)
        {
			string partOne = "The first sentence. ";
			string partTwo = "The second sentence.";
			string combined = partOne + partTwo;
			Console.WriteLine(combined); // Output: The first sentence. The second sentence.
        }
    }
}

We can use the new line character (\n) to represent a new line in string data.

Consider the following example:

main.cs

main.cs

copy

              
12345678910111213

            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static void Main(string[] args)
        {
			string text = "The first line.\nThe second line.";
			Console.WriteLine(text);
        }
    }
}

When the \n character is encountered, the text automatically shifts to a new line. We can use multiple newline characters to skip multiple lines:

main.cs

main.cs

copy

              
12345678910111213

            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static void Main(string[] args)
        {
			string text = "The first line.\n\n\nThe second line.\nThe third line.";
			Console.WriteLine(text);
        }
    }
}
question mark

What will be the output of the following code?

Select the correct answer

Alt var klart?

Hvordan kan vi forbedre det?

Takk for tilbakemeldingene dine!

Seksjon 2. Kapittel 6
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