When would you typically use a do...while loop?

A do...while loop is particularly useful in scenarios where it is essential for the loop body to be executed at least once, regardless of the conditions for continuation. This structure guarantees that the statements within the loop will run before any condition is evaluated.

For example, if you are prompting a user for input and you want to ensure that the input prompt appears at least once before checking if the input is valid, a do...while loop is ideal. The loop will execute the input prompt first and then check the validity condition after the first execution. This is unlike other loops, such as the standard while loop, where the condition is evaluated before the body is executed, which may result in zero executions if the condition fails initially.

This characteristic of the do...while loop is what makes it distinct and optimal for use cases where at least one iteration is necessary, regardless of the condition that follows.