Which is the correct declaration of a Boolean variable?

Boolean Variables: Untangling Truth and Falsehood in Code

So, you’re diving into the world of programming, huh? One of the first things you’ll bump into is the concept of Boolean variables. Named after the brilliant George Boole (think 1800s mathematician, not a search engine!), these little guys are all about truth. Or, well, falsehood. They’re your code’s way of saying “yes” or “no,” “on” or “off,” and they’re essential for making your programs actually do stuff.

Think of Booleans as the traffic lights of your code. They guide the flow, telling your program which way to go based on whether something is true or false. Without them, your code would just run straight ahead, oblivious to any conditions or choices. Not very useful, right?

Now, how do you actually declare one of these Boolean variables? Well, that’s where things get a little language-specific. Let’s take a tour:

• C++: Ah, good ol’ C++. Here, you use the straightforward bool keyword. Simple as that!

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