Aptitude Test FlashCards

int main()

Marks the beginning of a function

Function

A group of more programming statements that collectively have a name

{

Left brace or opening brace

Beginning of a function

String Literal

Group of characters inside the quotation marks

;

Marks the end of a complete statement

}

Marks the end of a function

Newline Escape Sequence (\n)

Special command to advance the output cursor to the following line

Variable Definition

Tells the computer the variable’s name and the type of data that it will hold

Assignment

EX: number=5

Equal sign is an operator that copies the value on its right into the variable named on its left

Literals

piece of data written directly into a programs code

Identifier

Programmer-defined name that represents some element of a program

Integer Data Types

Can only hold whole number

char Data Type

Used to store individual character

Can only hold one character at a time

Character Literals

Are enclosed in single quotation marks

The string Class

Allows the programmer to create a string variable type

Using the string Class

1. Define a string type variable

2. Assign a string literal

3. Use out to display the value

Floating-Point Numbers

Data type that allows fractional values

float Data Type

Considered single precision

double Data Type

Twice as big as float

Considered double precision

bool Data Type

Expressions that have true or false values

Single-Line Comments

Use // on each line

Multi-Line Comments

Use /* to begin and */ to end

Named Constant

Like a variable but its content is read-only and cannot be changed while the program is running