kotlin loop until

A loop in Kotlin is a control structure that allows you to repeat a block of code multiple times. The "until" loop is a type of loop that continues to execute the block of code until a certain condition is met. Here is a step-by-step explanation of how the "until" loop works in Kotlin:

  1. Initialize a variable: Before entering the loop, you need to initialize a variable that will be used to track the condition. Let's call this variable "counter" and set its initial value to 0.

  2. Enter the loop: The loop begins by checking the condition specified in the "until" statement. If the condition is true, the loop body is executed. If the condition is false, the loop is skipped entirely.

  3. Execute the loop body: Inside the loop, you can write the code that you want to repeat. This could be a single statement or a block of statements enclosed in curly braces. For example, you might want to print the value of the "counter" variable.

  4. Update the variable: After executing the loop body, you need to update the variable that is being checked in the condition. In this case, you can increment the value of the "counter" variable by 1 using the operator "++".

  5. Check the condition: After updating the variable, the loop goes back to step 2 and checks the condition again. If the condition is still true, the loop body is executed again. If the condition is false, the loop is exited, and the program continues with the next statement after the loop.

  6. Repeat steps 3 to 5: The loop continues to execute the loop body and update the variable until the condition specified in the "until" statement becomes false.

That's it! This is how the "until" loop works in Kotlin. It allows you to repeat a block of code until a certain condition is met. Keep in mind that the loop body should include code that eventually modifies the variable being checked in the condition to avoid an infinite loop.