C# While Loop

by Online Tutorials Library July 14, 2022

C# While Loop

In C#, while loop is used to iterate a part of the program several times. If the number of iteration is not fixed, it is recommended to use while loop than for loop.

Syntax:

Flowchart:

C# While Loop Example

Let’s see a simple example of while loop to print table of 1.

 using System; public class WhileExample     {       public static void Main(string[] args)       {           int i=1;             while(i<=10)            {               Console.WriteLine(i);               i++;           }        }    } 

Output:

1 2 3 4 5 6 7 8 9 10

C# Nested While Loop Example:

In C#, we can use while loop inside another while loop, it is known as nested while loop. The nested while loop is executed fully when outer loop is executed once.

Let’s see a simple example of nested while loop in C# programming language.

 using System; public class WhileExample     {       public static void Main(string[] args)       {           int i=1;             while(i<=3)            {               int j = 1;               while (j <= 3)               {                   Console.WriteLine(i+” “+j);                   j++;               }               i++;           }        }    } 

Output:

1 1 1 2 1 3 2 1 2 2  2 3 3 1 3 2 3 3

C# Infinitive While Loop Example:

We can also create infinite while loop by passing true as the test condition.

 using System; public class WhileExample     {       public static void Main(string[] args)       {           while(true)           {                   Console.WriteLine(“Infinitive While Loop”);           }         }     } 

Output:

Infinitive While Loop  Infinitive While Loop Infinitive While Loop Infinitive While Loop Infinitive While Loop ctrl+c

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C# Infinitive While Loop Example:

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