Can we use a switch statement to switch on strings?

The correct answer is that a switch statement can indeed be used with strings, particularly in programming languages like Java, C#, and others that support this feature. In these languages, strings can be used for the expression in a switch statement, allowing for cleaner and more readable code when dealing with multiple string conditions.

Using strings in a switch can enhance readability, as it avoids long chains of if-else statements. Each case within the switch can map to a different string value, performing specific actions based on the matched value.

The incorrect choices reflect misunderstandings about the capabilities of switch statements in various programming languages. Some assert that only integer constants can be used, or that switch statements are limited to specific types like floating point values, which does not hold true for more versatile languages. The confusion about predefined constants suggests a limitation that does not exist in the context of switch usage with strings.