Boolean Operators

Boolean Logic in Programming

Boolean logic is a subset of algebra used for creating true/false statements.
It’s used extensively in computer programming where decisions often need to be made based on certain criteria being true or false.
Boolean values are either True or False.
These are frequently encountered in conditional statements and loops.

AND (&&): This operator returns True only if all its operands are true, otherwise it returns False.
OR ( ): This operator returns True if at least one of its operands is true, otherwise it returns False.
NOT (!): This operator inverts the value of a Boolean expression, meaning it returns False if the operand is True, and True if the operand is False.

A Truth Table is a mathematical table used in logic to compute the functional values of logical expressions on each combination of values taken by their logical variables.
The truth table for AND operation:

A	not A
True	False
False	True

Boolean Logic is key to how computers make decisions as they can only understand binary (1s and 0s) which essentially means true and false.
It forms the basis of all conditional statements and loops in programming.
An example of a conditional statement: if (age >= 18) where the expression age >= 18 is a Boolean expression and it will return either True or False.
An example of a loop: while (i < 10) where the expression i < 10 is a Boolean expression and it will return either True or False. The loop will continue as long as the condition is True.

Make sure you understand the difference between AND and OR operators. This is a common area of confusion for beginners.
Use brackets to make complex Boolean logic expressions clearer. For example, if ((age >= 18) and (hasDrivingLicense == True)).
Try to write Boolean expressions that are easy to read. It makes your code more maintainable. Avoid writing overly complex Boolean expressions. If necessary break them down into smaller parts.