July 2019
Beginner to intermediate
944 pages
27h 45m
English
In large part, computers behave intelligently because programming languages offer a way to test conditions. Then based on the results of that test, the code jumps (branches) to an appropriate area within the program. This is similar to human decision-making: If it's raining, then take an umbrella. If not, leave it at home.
An expression is a combination of two or more items (such as variables, constants, or literals) that resolve (aka evaluate or return) a value. For example, here's an arithmetic expression: 3 * 4. It resolves into the arithmetic value, 12. Note that the relationship between these items is described by what's called an operator. In this case, it's an arithmetic operator that specifies ...