Kotlin do-while Loop

The do-while loop is similar to while loop except one key difference. A do-while loop first execute the body of do block after that it check the condition of while.

As a do block of do-while loop executed first before checking the condition, do-while loop execute at least once even the condition within while is false. The while statement of do-while loop end with ";" (semicolon).

Syntax

Example of do -while loop

Let's see a simple example of do-while loop printing value 1 to 5.

Output:

1
2
3
4
5

Example of do -while loop even condition of while if false

In this example do-while loop execute at once time even the condition of while is false.

Output:

6