Conditionals
That language is an instrument of human reason, and not merely a medium for the expression of thought, is a truth generally admitted.
—George Boole
The way I feel about music is that there is no right and wrong. Only true and false.
—Fiona Apple
In this chapter:
– Boolean expressions
– Conditional statements: How a program produces different results based on varying circumstances
– If, else if, else
– Relational and logical operators
5-1 Boolean expressions
What’s your favorite kind of test? Essay format? Multiple choice? In the world of computer programming, one only takes one kind of test: a boolean test — true or false. A boolean expression (named for mathematician George Boole) is an expression that evaluates to either true or false. Let’s ...
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