while Loop

A while loop is similar to a for loop, however, it is used when we need to execute a block of code repeatedly based on a condition. The syntax of a while loop is simpler than that of a for loop:

while (condition) {
    // code to execute
}

Let's consider the practical example:

main.cs


              12345678910111213141516
            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static void Main(string[] args)
        {
			int i = 0;
			while(i < 5) {
    			Console.WriteLine(i);
    			i++;
			}
        }
    }
}

Although the while loop may seem very similar to the for loop at first, In more advanced levels of programming the difference becomes apparent. We might explore the usage of different kinds of loops in the Arrays section.

Note

We can write true as the condition of a while-loop to create an infinite loop. But it's not recommended to use.

main.cs


              123
            
while(true) {
    Console.WriteLine("Hello World");
}

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Tak for dine kommentarer!

Sektion 4. Kapitel 3

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Kursusindhold

C# Basics

1. Getting Started

2. Dealing with Data Types

3. Control Structures

4. Loops

for Loop Challenge: for Loop while Loop do-while Loop Challenge: do-while Loop break Statement continue Statement Challenge: break and continue

5. Arrays

What are Arrays?Challenge: Array Declaration Indexing Challenge: Indexing Multi-Dimensional Arrays Challenge: Multi-Dimensional Arrays Looping through Arrays Challenge: Array Loops

6. Methods

while Loop

while (condition) {
    // code to execute
}

Let's consider the practical example:

main.cs


              12345678910111213141516
            
using System;

namespace ConsoleApp
{
    internal class Program
    {
        static void Main(string[] args)
        {
			int i = 0;
			while(i < 5) {
    			Console.WriteLine(i);
    			i++;
			}
        }
    }
}

Note

We can write true as the condition of a while-loop to create an infinite loop. But it's not recommended to use.

main.cs


              123
            
while(true) {
    Console.WriteLine("Hello World");
}

Var alt klart?

Tak for dine kommentarer!

Sektion 4. Kapitel 3