Data Types

Editor

The integer type

An integer variable represents numeric data that can hold a relative whole number as its value.

To declare an integer variable, follow this syntax:

var
variable_name : integer;

Example

program example;
var n : integer;
begin
  n := 12;
  write(n);
end.

The real type

A real type variable represents numeric data that can hold a real number as its value.

To declare a real variable, follow this syntax:

var
variable_name : real;

Example

program example;
var
  n : real;
begin
  n := 12.34;
  write(n);
end.

The character type

A character type variable represents data that can hold an alphanumeric character as its value (letter of the alphabet, number) or a special character.

To declare a character variable, follow this syntax:

var
variable_name : char;

Example

program example;
var
  c : char;
begin
  c := 'a';
  write(c);
end.

The boolean type

A Boolean variable represents a logical data that can hold one of the values ​​true or false.

To declare a boolean variable, follow this syntax:

var
variable_name : boolean;

Example

program example;
var
  b : boolean;
begin
  b := true;
  write(b);
end.