Lexical elements

Constants

Integer constants

Hexadecimal literal Decimal literal Octal literal

Floating point constants

Floatingpoint constant

Boolean constants

Logical constant - true Logical constant - false

Comments

Single line comment Multi line comment

Types and variables

Basic data types

Logical

Boolean data type

Numbers

Integers

Unsigned

8-bit unsigned integer 16-bit unsigned integer 32-bit unsigned integer 64-bit unsigned integer

Signed

8-bit integer 16-bit integer 32-bit integer 64-bit integer

Real numbers

32-bit real number 64-bit real number

Type conversions

Explicit

To 8-bit integer To 8-bit unsigned integer To 16-bit integer To 16-bit unsigned integer To 32-bit integer To 32-bit unsigned integer To 64-bit integer To 64-bit unsigned integer To 32-bit real number To 64-bit real number To boolean

Variables

Variable declaration Variable use

Automatic variable

Automatic variable declaration

Program structure

Statements Expressions

Operators

Parenthesis operator

Arithmetic operators

Addition Subtraction Multiplication Division Integer division Modulo Additive inverse

Logical

Logical and Logical or Logical negation

Bitwise

Bitwise left shift Bitwise right shift Bitwise and Bitwise or Bitwise not Bitwise xor

Relational

Less than Greater than Less than or equal to Greater than or equal to Equal to Not equal to

Assignment

Statements

Loops

Loop with condition at the end Loop with condition at the end until is false Loop with condition on the beginning Loop with condition on the beginning until is false

Conditional statements

Conditional statement

Jump statements

Break statement Continue statement

FreeBASIC . Types and variables . Variables

FreeBASIC <-> C | Variable

Declaration

variable declaration Variable declaration is used for its creation.

name  As type

Use

variable use Using variables, you can access the data stored in a variable, can be used to store or retrieve the value.

name

Variable in another programming language:

All Basic FreeBASICVisual Basic .NET C C++Visual C++ .NET C#Java JavaScript Pascal Object Pascal Free Pascal PHP

Differences to:

C C++Visual C++ .NET C#Java Pascal Object Pascal Free Pascal PHP

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