APCSP Unit 4

Assignment Operator

allows a program to change the value represented by a variable

Expression

a combination of operators and values that evaluates to a single value

String

an ordered sequence of characters

Variable

 a named reference to a value that can be used repeatedly throughout a program

Boolean Value

a data type that is either true or false

Boolean Expression

 score < 10, isHungry != true

Comparison Operator

<, >, <=, >=, ==, != indicate a Boolean expression

Logical Operator

NOT, AND, and OR, which evaluate to a Boolean value

Conditional Statement Types

affects the sequential flow of control by executing different statements based on the value of a Boolean expression. If, If-else, If-else if-else, and Nested conditional

Nested conditional

one conditional statement (like an if/else) is placed inside another, allowing for more complex, multi-level decision-making, where the inner condition is only checked if the outer condition is true.

Function

a named group of programming instructions. Also referred to as a “procedure”.

Function Call

a command that executes the code within a function

>

greater than

<

less than

>=

greater than or equal to

<=

less than or equal to

==

equal to

!=

does not equal