C# Loop Types

C# loop

C# loop used to execute same block of code again and again specified number of time.
Loops execute block of code while the loop condition is true.

C# supports four types of loop.

  • for loop
  • while loop
  • do-while loop
  • foreach loop

C# for loop

for loop – In for loop execute block of code up to the condition is true.
In for loop condition is predefined.

for loop syntax

for ( initialization; condition; increment/decrements)
// block of code to be executed

C# while loop

C# while loop – In while loop the code of block execute while the specified condition is true.

While loop syntax

//block of code to be executed

C# do-while loop

In do-while loop always execute block of code at least once, then check condition and repeat the loop as long as the condition is true.

do-while loop syntax

// block of code to be executed
while (condition)

C# foreach loop

In foreach loop used in on array.

C# foreach syntax

foreach (array as value)
//bock of code to be executed

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